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college_math.Beginning_and_Intermediate_Algebra
exercise.8.7.7
$\sqrt[4]{x^{2} y^{3}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Reduce the following radical: $\sqrt[12]{x^{6} y^{9}}$
$\boxed{\sqrt[4]{x^{2} y^{3}}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.4.40
$\frac{2}{r+s}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Add or subtract the rational expressions and simplify: $\frac{2 r}{r^{2}-s^{2}}+\frac{1}{r+s}-\frac{1}{r-s}$
$\boxed{\frac{2}{r+s}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.1.6.8
$-3,9$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the absolute value equation: $|3-x|=6$
$\boxed{-3,9}$
college_math.Beginning_and_Intermediate_Algebra
exercise.0.4.82
$-n^{2}+6$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $\left(3-7 n^{2}\right)+\left(6 n^{2}+3\right)$
$\boxed{-n^{2}+6}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.4.7
$\frac{5}{24 r}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Add or subtract the rational expressions and simplify: $\frac{5}{6 r}-\frac{5}{8 r}$
$\boxed{\frac{5}{24 r}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.9.10.4
55
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
A dealer bought a number of sheep for $\$ 440$. After 5 had died he sold the remainder at a profit of $\mathbb{\$} 2$ each making a profit of $\mathbb{\$} 60$ for the sheep. How many sheep did he originally purchase?
$\boxed{55}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.7.33
$x \sqrt[12]{59049 x y^{11} z^{10}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Combine the following radicals: $\sqrt[3]{3 x y^{2} z} \sqrt[4]{9 x^{3} y z^{2}}$
$\boxed{x \sqrt[12]{59049 x y^{11} z^{10}}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.9.6.33
$-2,10$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the following equation: $(x-3)^{2}-2(x-3)=35$
$\boxed{-2,10}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.6.17
$v=\frac{69}{5}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the proportion: $\frac{v-5}{v+6}=\frac{4}{9}$
$\boxed{v=\frac{69}{5}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.5.6.40
$9 a^{2}-64$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find the product: $(3 a-8)(3 a+8)$
$\boxed{9 a^{2}-64}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.2.22
$20 a^{2} \sqrt[3]{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $4 \sqrt[3]{250 a^{6}}$
$\boxed{20 a^{2} \sqrt[3]{2}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.2.5.5
1
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find the slope of a line parallel to the given line: $x-y=4$
$\boxed{1}$
college_math.Beginning_and_Intermediate_Algebra
exercise.10.6.10
6386.12
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
You lend out $\$ 5500$ at $10 \%$ compounded monthly. If the debt is repaid in 18 months, what is the total owed at the time of repayment?
$\boxed{6386.12}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.1.33
$\frac{9}{v-10}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $\frac{9 v+54}{v^{2}-4 v-60}$
$\boxed{\frac{9}{v-10}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.5.6.18
$v^{2}+8 v+16$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find the square: $(v+4)^{2}$
$\boxed{v^{2}+8 v+16}$
college_math.Beginning_and_Intermediate_Algebra
exercise.5.7.11
$n+8-\frac{8}{n+5}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Divide: $\frac{n^{2}+13 n+32}{n+5}$
$\boxed{n+8-\frac{8}{n+5}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.0.2.67
1
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Evaluate the expression: $\left(-\frac{1}{2}\right)+\frac{3}{2}$
$\boxed{1}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.2.16
$\frac{a+10}{a-6}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify the expression: $\frac{1}{a-6} \cdot \frac{8 a+80}{8}$
$\boxed{\frac{a+10}{a-6}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.9.2.8
$\frac{1}{5},-\frac{3}{5}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve: $(5 x+1)^{4}=16$
$\boxed{\frac{1}{5},-\frac{3}{5}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.9.3.3
$324 ;(m-18)^{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find the value that completes the square and then rewrite as a perfect square: $m^{2}-36 m+$
$\boxed{324 ;(m-18)^{2}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.1.4.17
0
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the equation: $\frac{16}{9}=-\frac{4}{3}\left(-\frac{4}{3} n-\frac{4}{3}\right)$
$\boxed{0}$
college_math.Beginning_and_Intermediate_Algebra
exercise.2.5.1
2
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find the slope of a line parallel to the given line: $y=2 x+4$
$\boxed{2}$
college_math.Beginning_and_Intermediate_Algebra
exercise.4.3.1
$(-2,4)$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the following system of equations by elimination: $4 x+2 y=0$ $-4 x-9 y=-28$
$\boxed{(-2,4)}$
college_math.Beginning_and_Intermediate_Algebra
exercise.3.2.23
No solution : $\oslash$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the compound inequality and give interval notation: $-5 b+10 \leqslant 30$ and $7 b+2 \leqslant-40$
$\boxed{No solution : $\oslash}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.3.23
$8 \sqrt{6}-9 \sqrt{3}+4 \sqrt{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $3 \sqrt{24}-3 \sqrt{27}+2 \sqrt{6}+2 \sqrt{8}$
$\boxed{8 \sqrt{6}-9 \sqrt{3}+4 \sqrt{2}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.4.24
2
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $\frac{\sqrt{12}}{\sqrt{3}}$
$\boxed{2}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.3.33
$2 \sqrt[4]{2}+\sqrt[4]{3}+6 \sqrt[4]{4}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $2 \sqrt[4]{2}+2 \sqrt[4]{3}+3 \sqrt[4]{64}-\sqrt[4]{3}$
$\boxed{2 \sqrt[4]{2}+\sqrt[4]{3}+6 \sqrt[4]{4}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.5.1.21
$m^{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $\frac{3 n m^{2}}{3 n}$
$\boxed{m^{2}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.2.9
$\frac{r-6}{r+10}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify the expression: $\frac{7 r}{7 r(r+10)} \div \frac{r-6}{(r-6)^{2}}$
$\boxed{\frac{r-6}{r+10}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.9.3.10
$4+2 \sqrt{7}, 4-2 \sqrt{7}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve each equation by completing the square: $n^{2}-8 n-12=0$
$\boxed{4+2 \sqrt{7}, 4-2 \sqrt{7}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.0.4.66
$-42 b-45-4 b^{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $9(6 b+5)-4 b(b+3)$
$\boxed{-42 b-45-4 b^{2}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.9.2.15
$\frac{11}{2},-\frac{5}{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve: $(2 x-3)^{\frac{2}{3}}=4$
$\boxed{\frac{11}{2},-\frac{5}{2}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.0.3.3
5
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve: $3+(8) \div|4|$
$\boxed{5}$
college_math.Beginning_and_Intermediate_Algebra
exercise.0.2.18
$\frac{7}{6}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify and leave your answer as an improper fraction: $\frac{126}{108}$
$\boxed{\frac{7}{6}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.1.6.5
$6,-\frac{29}{4}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the absolute value equation: $|5+8 a|=53$
$\boxed{6,-\frac{29}{4}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.7.45
$\sqrt[15]{(2 x+1)^{4}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify the following expression: $\frac{\sqrt[3]{(2 x+1)^{2}}}{\sqrt[5]{(2 x+1)^{2}}}$
$\boxed{\sqrt[15]{(2 x+1)^{4}}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.6.27
$\frac{m^{\frac{35}{8}}}{n^{\frac{7}{6}}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify and express with positive exponents: $\left(\frac{m^{\frac{3}{2}} n^{-2}}{\left(m n^{\frac{4}{3}}\right)^{-1}}\right)^{\frac{7}{4}}$
$\boxed{\frac{m^{\frac{35}{8}}}{n^{\frac{7}{6}}}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.5.1.30
$\frac{4 a^{2}}{3}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $\frac{2 b a^{7} \cdot 2 b^{4}}{b a^{2} \cdot 3 a^{3} b^{4}}$
$\boxed{\frac{4 a^{2}}{3}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.8.3
$0.0112 \mathrm{~g}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Convert $11.2 \mathrm{mg}$ to grams.
$\boxed{0.0112 \mathrm{~g}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.3.2.32
$m>4$ or $m \leqslant-1:(-\infty,-1] \cup(4, \infty)$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the compound inequality and give interval notation: $-9 m+2<-10-6 m$ or $-m+5 \geqslant 10+4 m$
$\boxed{m>4$ or $m \leqslant-1:(-\infty,-1] \cup(4, \infty)}$
college_math.Beginning_and_Intermediate_Algebra
exercise.3.2.1
$n \leqslant-9$ or $n \geqslant 2:(-\infty,-9] \cup[2, \infty)$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the compound inequality and give interval notation: $\frac{n}{3} \leqslant-3$ or $-5 n \leqslant-10$
$\boxed{n \leqslant-9$ or $n \geqslant 2:(-\infty,-9] \cup[2, \infty)}$
college_math.Beginning_and_Intermediate_Algebra
exercise.9.5.2
$x^{2}-9 x+18=0$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find a quadratic equation with the solutions 3 and 6.
$\boxed{x^{2}-9 x+18=0}$
college_math.Beginning_and_Intermediate_Algebra
exercise.1.1.24
-9
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the equation: $m-4=-13$
$\boxed{-9}$
college_math.Beginning_and_Intermediate_Algebra
exercise.0.4.5
23
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Evaluate using the given values: $c^{2}-(a-1)$; $a=3$ and $c=5$
$\boxed{23}$
college_math.Beginning_and_Intermediate_Algebra
exercise.9.3.30
$\frac{5+i \sqrt{105}}{5}, \frac{5-i \sqrt{105}}{5}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve: $5 x^{2}=-26+10 x$
$\boxed{\frac{5+i \sqrt{105}}{5}, \frac{5-i \sqrt{105}}{5}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.1.7.21
$33.3 \mathrm{~cm}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Hooke's law states that the distance that a spring is stretched by hanging object varies directly as the mass of the object. If the distance is $20 \mathrm{~cm}$ when the mass is $3 \mathrm{~kg}$, what is the distance when the mass is $5 \mathrm{~kg}$ ?
$\boxed{33.3 \mathrm{~cm}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.4.6.12
8
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
How many kilograms of soil supplement that costs $\$ 7.00$ per kilogram must be mixed with $20 \mathrm{~kg}$ of aluminum nitrate that costs $\$ 3.50$ per kilogram to make a fertilizer that costs $\$ 4.50$ per kilogram?
$\boxed{8}$
college_math.Beginning_and_Intermediate_Algebra
exercise.1.3.29
-1
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve: $-a-5(8 a-1)=39-7 a$
$\boxed{-1}$
college_math.Beginning_and_Intermediate_Algebra
exercise.1.8.22
$28,84,68$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Let the first angle of a triangle be $x$ degrees. Find the measures of the second and third angles.
$\boxed{28,84,68}$
college_math.Beginning_and_Intermediate_Algebra
exercise.2.2.34
3
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Given the points $(-2,y)$ and $(2,4)$ and a slope of $\frac{1}{4}$, find the value of $y$.
$\boxed{3}$
college_math.Beginning_and_Intermediate_Algebra
exercise.0.2.76
$-\frac{2}{3}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Evaluate the expression: $(-1)-\left(-\frac{1}{3}\right)$
$\boxed{-\frac{2}{3}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.3.25
$2 \sqrt[3]{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $-2 \sqrt[3]{16}+2 \sqrt[3]{16}+2 \sqrt[3]{2}$
$\boxed{2 \sqrt[3]{2}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.2.24
$\frac{n-9}{n+7}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify the expression: $\frac{2 n^{2}-12 n-54}{n+7} \div(2 n+6)$
$\boxed{\frac{n-9}{n+7}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.5.5.38
$40 x^{2}-10 x-5$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find the product: $5(2 x-1)(4 x+1)$
$\boxed{40 x^{2}-10 x-5}$
college_math.Beginning_and_Intermediate_Algebra
exercise.10.6.9
2288.98
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
$\$ 1750$ is invested in an account earning $13.5 \%$ interest compounded monthly for a 2 year period. What is the balance at the end of 9 years?
$\boxed{2288.98}$
college_math.Beginning_and_Intermediate_Algebra
exercise.1.2.18
12
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the equation: $-8+\frac{n}{12}=-7$
$\boxed{12}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.8.52
$-i$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Evaluate the expression: $i^{251}$
$\boxed{-i}$
college_math.Beginning_and_Intermediate_Algebra
exercise.9.3.20
$9,-1$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve each equation by completing the square: $m^{2}-8 m-3=6$
$\boxed{9,-1}$
college_math.Beginning_and_Intermediate_Algebra
exercise.0.2.75
$-\frac{3}{8}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Evaluate the expression: $\frac{3}{2}-\frac{15}{8}$
$\boxed{-\frac{3}{8}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.10.5.32
$-\frac{1}{4}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the equation: $\log _{2}-8 r=1$
$\boxed{-\frac{1}{4}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.1.3.28
5
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve: $-8 n-19=-2(8 n-3)+3 n$
$\boxed{5}$
college_math.Beginning_and_Intermediate_Algebra
exercise.1.9.18
14
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
A pitcher is 30 years old, and a vase is 22 years old. How many years ago was the pitcher twice as old as the vase?
$\boxed{14}$
college_math.Beginning_and_Intermediate_Algebra
exercise.0.1.35
8
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find product: $(-4)(-2)$
$\boxed{8}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.8.4
$-1-6 i$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $5+(-6-6 i)$
$\boxed{-1-6 i}$
college_math.Beginning_and_Intermediate_Algebra
exercise.2.2.38
1
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Given the points $(2,-5)$ and $(3, y)$ and a slope of 6, find the value of $y$.
$\boxed{1}$
college_math.Beginning_and_Intermediate_Algebra
exercise.5.1.34
$\frac{y^{5} x^{2}}{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $\frac{y x^{2} \cdot\left(y^{4}\right)^{2}}{2 y^{4}}$
$\boxed{\frac{y^{5} x^{2}}{2}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.5.9
$-\frac{1}{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve: $\frac{\frac{3}{2 a-3}+2}{\frac{-6}{2 a-3}-4}$
$\boxed{-\frac{1}{2}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.9.5.18
$6 x^{2}-7 x-5=0$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find a quadratic equation with the solutions $\frac{5}{3}$ and $-\frac{1}{2}$.
$\boxed{6 x^{2}-7 x-5=0}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.1.22
$-16 \sqrt{2 n}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $-2 \sqrt{128 n}$
$\boxed{-16 \sqrt{2 n}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.0.2.40
$\frac{4}{3}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find quotient: $-2 \div \frac{-3}{2}$
$\boxed{\frac{4}{3}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.7.6
$\sqrt[5]{x^{3} y^{4} z^{2}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Reduce the following radical: $\sqrt[15]{x^{9} y^{12} z^{6}}$
$\boxed{\sqrt[5]{x^{3} y^{4} z^{2}}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.3.21
$\frac{6 a^{4}}{10 a^{3} b^{2}}, \frac{2 b}{10 a^{3} b^{2}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Build up each fraction by finding the Least Common Denominator: $\frac{3 a}{5 b^{2}}, \frac{2}{10 a^{3} b}$
$\boxed{\frac{6 a^{4}}{10 a^{3} b^{2}}, \frac{2 b}{10 a^{3} b^{2}}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.5.1
$\frac{x}{x-1}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve: $\frac{1+\frac{1}{x}}{1-\frac{1}{x^{2}}}$
$\boxed{\frac{x}{x-1}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.1.21
$-56 x^{2}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify: $-7 \sqrt{64 x^{4}}$
$\boxed{-56 x^{2}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.5.4.7
5
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify the expression $x^{2}+9 x+23$ when $x=-3$.
$\boxed{5}$
college_math.Beginning_and_Intermediate_Algebra
exercise.5.2.36
$\frac{x^{30} z^{6}}{16 y^{4}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify. Your answer should contain only positive expontents: $\left(\frac{\left(2 x^{-3} y^{0} z^{-1}\right)^{3} \cdot x^{-3} y^{2}}{2 x^{3}}\right)^{-2}$
$\boxed{\frac{x^{30} z^{6}}{16 y^{4}}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.10.5.21
6
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Evaluate the expression: $\log _{2} 64$
$\boxed{6}$
college_math.Beginning_and_Intermediate_Algebra
exercise.10.7.3
0.9659
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find the value: $\sin 75^{\circ}$
$\boxed{0.9659}$
college_math.Beginning_and_Intermediate_Algebra
exercise.9.1.12
46
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve: $\sqrt{7 x+2}-\sqrt{3 x+6}=6$
$\boxed{46}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.6.34
$x^{\frac{15}{4}} y^{\frac{17}{4}}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify and express with positive exponents: $\left(\frac{y^{\frac{1}{3}} y^{-2}}{\left(x^{\frac{5}{3}} y^{3}\right)^{-\frac{3}{2}}}\right)^{\frac{3}{2}}$
$\boxed{x^{\frac{15}{4}} y^{\frac{17}{4}}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.7.28
1
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the equation for $x$: $\frac{x}{x+1}-\frac{3}{x+3}=\frac{-2 x^{2}}{x^{2}+4 x+3}$
$\boxed{1}$
college_math.Beginning_and_Intermediate_Algebra
exercise.0.4.37
$-8 x+32$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Distribute: $-8(x-4)$
$\boxed{-8 x+32}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.8.51
$i$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Evaluate the expression: $i^{73}$
$\boxed{i}$
college_math.Beginning_and_Intermediate_Algebra
exercise.0.4.52
$16 x^{2}-20 x$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Distribute: $2 x(8 x-10)$
$\boxed{16 x^{2}-20 x}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.2.4
$\frac{63}{10 m}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify the expression: $\frac{9 m}{5 m^{2}} \cdot \frac{7}{2}$
$\boxed{\frac{63}{10 m}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.8.8.30
$\frac{4 i+2}{3}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Evaluate the expression: $\frac{-4+2 i}{3 i}$
$\boxed{\frac{4 i+2}{3}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.10.1.8
$x \neq-1,4$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Specify the domain of the function: $f(x)=\frac{-2}{x^{2}-3 x-4}$
$\boxed{x \neq-1,4}$
college_math.Beginning_and_Intermediate_Algebra
exercise.5.5.13
$15 v^{2}-26 v+8$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find the product: $(3 v-4)(5 v-2)$
$\boxed{15 v^{2}-26 v+8}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.7.9
-5
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the equation for $m$: $\frac{3 m}{2 m-5}-\frac{7}{3 m+1}=\frac{3}{2}$
$\boxed{-5}$
college_math.Beginning_and_Intermediate_Algebra
exercise.2.2.26
$-\frac{19}{10}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find the slope of the line through the points $(11,-2)$ and $(1,17)$.
$\boxed{-\frac{19}{10}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.1.10.21
36
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
A motorboat leaves a harbor and travels at an average speed of $18 \mathrm{mph}$ to an island. The average speed on the return trip was $12 \mathrm{mph}$. How far was the island from the harbor if the total trip took $5 \mathrm{~h}$?
$\boxed{36}$
college_math.Beginning_and_Intermediate_Algebra
exercise.5.6.19
$x^{2}-16 x+64$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find the square: $(x-8)^{2}$
$\boxed{x^{2}-16 x+64}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.2.31
$\frac{x-4}{x+3}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Simplify the expression: $\frac{x^{2}-12 x+32}{x^{2}-6 x-16} \cdot \frac{7 x^{2}+14 x}{7 x^{2}+21 x}$
$\boxed{\frac{x-4}{x+3}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.10.6.7
2001.60
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
A thousand dollars is left in a bank savings account drawing $7 \%$ interest, compounded quarterly for 10 years. What is the balance at the end of that time?
$\boxed{2001.60}$
college_math.Beginning_and_Intermediate_Algebra
exercise.10.1.7
$x \geqslant 16$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Specify the domain of the function: $f(x)=\sqrt{x-16}$
$\boxed{x \geqslant 16}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.7.24
-1
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the equation for $x$: $\frac{x}{x+3}-\frac{4}{x-2}=\frac{-5 x^{2}}{x^{2}+x-6}$
$\boxed{-1}$
college_math.Beginning_and_Intermediate_Algebra
exercise.10.6.6
1507.08
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Find the principal that will amount to $\$ 1750$ if invested at $3 \%$ interest compounded quarterly for 5 years.
$\boxed{1507.08}$
college_math.Beginning_and_Intermediate_Algebra
exercise.7.4.24
$\frac{9 a}{4(a-5)}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Add or subtract the rational expressions and simplify: $\frac{3 a}{4 a-20}+\frac{9 a}{6 a-30}$
$\boxed{\frac{9 a}{4(a-5)}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.9.2.18
$\frac{9}{8}$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve: $(x-1)^{-\frac{5}{3}}=32$
$\boxed{\frac{9}{8}}$
college_math.Beginning_and_Intermediate_Algebra
exercise.4.3.24
$(2,-2)$
Creative Commons Attribution 3.0 Unported License (CC BY 3.0)
college_math.algebra
Solve the following system of equations by elimination: $3 x+7 y=-8$ $4 x+6 y=-4$
$\boxed{(2,-2)}$