Chapter 10

Algebra 1: Concepts and Skills · 632 exercises

Problem 75

Simplify. $$ \frac{5}{6} \cdot \frac{9}{4} \cdot \frac{1}{3} \div \frac{1}{2} $$

3 step solution

Problem 75

Use the substitution method to solve the linear system. $$ \begin{aligned} &-x+y=0\\\ &2 x+y=0 \end{aligned} $$

4 step solution

Problem 75

Add. Write the answer as a mixed number in simplest form. $$ \frac{1}{8}+1 \frac{1}{2} $$

4 step solution

Problem 75

Add. $$ 7.9+3.0204+10 $$

3 step solution

Problem 75

Find the reciprocal. \(-7\)

2 step solution

Problem 75

Simplify the expression. Write your answer as a power. $$ (-3 x y)^{3}(2 y)^{2} $$

4 step solution

Problem 75

List all the factors of the number. 12

5 step solution

Problem 76

Simplify. $$ \frac{1}{2} \cdot \frac{1}{3} \div \frac{1}{4} \cdot \frac{1}{5} $$

3 step solution

Problem 76

Use the substitution method to solve the linear system. $$\begin{aligned}&x-2 y=4\\\&2 x+y=3\end{aligned}$$

4 step solution

Problem 76

Add. Write the answer as a mixed number in simplest form. $$ \frac{11}{3}+5 \frac{5}{6} $$

4 step solution

Problem 76

Add. $$ 3.2+5.013+0.0021 $$

3 step solution

Problem 76

Find the reciprocal. \(\frac{2}{9}\)

2 step solution

Problem 76

Simplify the expression. Write your answer as a power. $$ \left(8 x^{2} y^{8}\right)^{3} $$

3 step solution

Problem 76

List all the factors of the number. 20

3 step solution

Problem 77

Use the substitution method to solve the linear system. $$ \begin{aligned} &x-y=0\\\ &3 x+4 y=14 \end{aligned} $$

5 step solution

Problem 77

Add. Write the answer as a mixed number in simplest form. $$ 2 \frac{3}{4}+\frac{19}{20} $$

4 step solution

Problem 77

Add. $$ 100+9.81+5.0006 $$

3 step solution

Problem 77

Find the reciprocal. \(1 \frac{3}{4}\)

2 step solution

Problem 77

Tell whether the equation has two solutions, one solution, or no real solution. $$ x^{2}-5 x+6=0 $$

3 step solution

Problem 77

List all the factors of the number. 18

3 step solution

Problem 78

Use the substitution method to solve the linear system. $$ \begin{aligned} &2 x+3 y=-5\\\ &x-2 y=-6 \end{aligned} $$

4 step solution

Problem 78

Add. Write the answer as a mixed number in simplest form. $$ 5 \frac{1}{2}+4 \frac{5}{16} $$

3 step solution

Problem 78

Find the reciprocal. \(\frac{5}{6}\)

2 step solution

Problem 78

Tell whether the equation has two solutions, one solution, or no real solution. $$ x^{2}+7 x+12=0 $$

4 step solution

Problem 78

List all the factors of the number. 35

2 step solution

Problem 79

Simplify the expression. $$ \sqrt{216} $$

3 step solution

Problem 79

Add. Write the answer as a mixed number in simplest form. $$ 9 \frac{2}{7}+3 \frac{11}{28} $$

5 step solution

Problem 79

Find the reciprocal. \(-2 \frac{5}{8}\)

2 step solution

Problem 79

Tell whether the equation has two solutions, one solution, or no real solution. $$ x^{2}-2 x-24=0 $$

3 step solution

Problem 80

Simplify the expression. $$ \sqrt{5} \cdot \sqrt{15} $$

3 step solution

Problem 80

Add. Write the answer as a mixed number in simplest form. $$ 2 \frac{1}{2}+\frac{4}{3} $$

4 step solution

Problem 80

Find the reciprocal. \(9 \frac{7}{10}\)

2 step solution

Problem 80

Tell whether the equation has two solutions, one solution, or no real solution. $$ 2 x^{2}-3 x-1=0 $$

3 step solution

Problem 80

List all the factors of the number. 24

10 step solution

Problem 81

Simplify the expression. $$ \sqrt{10} \cdot \sqrt{20} $$

5 step solution

Problem 81

Add. Write the answer as a mixed number in simplest form. $$ 2 \frac{1}{2}+\frac{5}{7} $$

3 step solution

Problem 81

Find the reciprocal. \(-8 \frac{3}{4}\)

2 step solution

Problem 81

Tell whether the equation has two solutions, one solution, or no real solution. $$ 4 x^{2}+4 x+1=0 $$

2 step solution

Problem 81

List all the factors of the number. 36

4 step solution

Problem 82

Simplify the expression. $$ \sqrt{4} \cdot 3 \sqrt{9} $$

3 step solution

Problem 82

Add. Write the answer as a mixed number in simplest form. $$ 12 \frac{7}{12}+8 \frac{9}{32} $$

3 step solution

Problem 82

Tell whether the equation has two solutions, one solution, or no real solution. $$ 3 x^{2}-7 x+5=0 $$

3 step solution

Problem 82

List all the factors of the number. 48

3 step solution

Problem 83

Simplify the expression. $$ \sqrt{\frac{28}{49}} $$

4 step solution

Problem 83

Add. Write the answer as a mixed number in simplest form. $$ 9 \frac{7}{24}+6 \frac{5}{36} $$

6 step solution

Problem 83

Tell whether the equation has two solutions, one solution, or no real solution. $$ 7 x^{2}-8 x-6=0 $$

3 step solution

Problem 83

List all the factors of the number. 64

4 step solution

Problem 84

Simplify the expression. $$ \frac{10 \sqrt{8}}{\sqrt{25}} $$

3 step solution

Problem 84

Tell whether the equation has two solutions, one solution, or no real solution. $$ 10 x^{2}-13 x-9=0 $$

3 step solution

Problem 84

List all the factors of the number. 90

3 step solution

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