Study: 7-3. Linear Equations

7-3. Linear Equations

Name _____________________________________________________ Date __________________ Score _________

Keywords: Math-7-3-Linear-Equations

Questions

1. Solve for p: $p - 1.2 = -5$ 20 points $p = -3.8$ $p = -7$ $p = 6$ $p = -8$
2. Solve for x: $\dfrac{x}{3} = \dfrac{1}{5}$ 20 points $\frac{3}{5}$ $\frac{5}{3}$ $\frac{1}{x}$ $-\frac{5}{3}$
3. Solve for y: $\frac{2}{5} = \frac{4}{y}$ 20 points $y = 10$ $y = \frac{1}{10}$ $y = \frac{1}{y}$ $y = 5$
4. Solve for b: $\frac{3}{10} = \frac{b + 7}{20}$ 20 points $b = -1$ $b = \frac{1}{10}$ $b = \frac{1}{10 + b}$ $b = 1$
5. Solve for y: $\frac{-5}{2} = \frac{y}{8}$ 20 points $y = -20$ $y = -\frac{1}{10}$ $y = -\frac{1}{20}$ $y = -10$
6. What is the inverse of 45? 20 points $\frac{1}{45}$ $-\frac{45}{1}$ $-\frac{1}{45}$ $1$
7. Solve: $4x - 3 = 3x + 5$ 20 points $8$ $5$ $12$ $6$
8. What is the correct term for two ratios that are equal? 20 points Proportion Relationship Matching ratios Equal fractions
9. Solve for x: $\frac{x}{3} = \frac{1}{5}$ 20 points $\frac{3}{5}$ $\frac{5}{3}$ $\frac{1}{x}$ $-\frac{5}{3}$
10. Solve for x: $\frac{x}{3} = \frac{1}{5}$ 20 points $x = \frac{3}{5}$ $x = \frac{5}{3}$ $x = \frac{1}{x}$ $x = -\frac{5}{3}$
11. Solve for y: $\frac{2}{5} = \frac{4}{y}$ 20 points $y = 10$ $y = \frac{1}{10}$ $y = \frac{1}{y}$ $y = 5$
12. Solve for b: $\frac{3}{10} = \frac{b + 7}{20}$ 20 points $b = -1$ $b = \frac{1}{10}$ $b = \frac{1}{10 + b}$ $b = 1$
13. Solve for y: $\frac{-5}{2} = \frac{y}{8}$ 20 points $y = -20$ $y = -\frac{1}{10}$ $y = -\frac{1}{20}$ $y = -10$
14. What is the inverse of 45? 20 points $\frac{1}{45}$ $-\frac{45}{1}$ $-\frac{1}{45}$ $1$
15. What is the absolute value of $-(-(-(-(3 \times -3))))$? 20 points $9$ $27$ $-9$ $-27$
16. Solve: $\frac{9}{8} = g + \frac{1}{2}$ 20 points $g = \frac{5}{8}$ $g = \frac{3}{2}$ $g = \frac{1}{2}$ $g = \frac{8}{7}$
Possible Points: 320

Questions

1. Solve for p: $p - 1.2 = -5$ 20 points $p = 6$ $p = -3.8$ $p = -7$ $p = -8$
2. Solve for x: $\dfrac{x}{3} = \dfrac{1}{5}$ 20 points $\frac{3}{5}$ $\frac{5}{3}$ $\frac{1}{x}$ $-\frac{5}{3}$
3. Solve for y: $\frac{2}{5} = \frac{4}{y}$ 20 points $y = 10$ $y = \frac{1}{10}$ $y = \frac{1}{y}$ $y = 5$
4. Solve for b: $\frac{3}{10} = \frac{b + 7}{20}$ 20 points $b = -1$ $b = \frac{1}{10}$ $b = \frac{1}{10 + b}$ $b = 1$
5. Solve for y: $\frac{-5}{2} = \frac{y}{8}$ 20 points $y = -20$ $y = -\frac{1}{10}$ $y = -\frac{1}{20}$ $y = -10$
6. What is the inverse of 45? 20 points $\frac{1}{45}$ $-\frac{45}{1}$ $-\frac{1}{45}$ $1$
7. Solve: $4x - 3 = 3x + 5$ 20 points $8$ $5$ $12$ $6$
8. What is the correct term for two ratios that are equal? 20 points Proportion Relationship Matching ratios Equal fractions
9. Solve for x: $\frac{x}{3} = \frac{1}{5}$ 20 points $\frac{3}{5}$ $\frac{5}{3}$ $\frac{1}{x}$ $-\frac{5}{3}$
10. Solve for x: $\frac{x}{3} = \frac{1}{5}$ 20 points $x = \frac{3}{5}$ $x = \frac{5}{3}$ $x = \frac{1}{x}$ $x = -\frac{5}{3}$
11. Solve for y: $\frac{2}{5} = \frac{4}{y}$ 20 points $y = 10$ $y = \frac{1}{10}$ $y = \frac{1}{y}$ $y = 5$
12. Solve for b: $\frac{3}{10} = \frac{b + 7}{20}$ 20 points $b = -1$ $b = \frac{1}{10}$ $b = \frac{1}{10 + b}$ $b = 1$
13. Solve for y: $\frac{-5}{2} = \frac{y}{8}$ 20 points $y = -20$ $y = -\frac{1}{10}$ $y = -\frac{1}{20}$ $y = -10$
14. What is the inverse of 45? 20 points $\frac{1}{45}$ $-\frac{45}{1}$ $-\frac{1}{45}$ $1$
15. What is the absolute value of $-(-(-(-(3 \times -3))))$? 20 points $9$ $27$ $-9$ $-27$
16. Solve: $\frac{9}{8} = g + \frac{1}{2}$ 20 points $g = \frac{5}{8}$ $g = \frac{3}{2}$ $g = \frac{1}{2}$ $g = \frac{8}{7}$
Possible Points: 320

Solutions

$p = -3.8$
$\frac{5}{3}$
$y = 10$
$b = -1$
$y = -20$
$\frac{1}{45}$
$8$
Proportion
$\frac{3}{5}$
$x = \frac{3}{5}$
$y = 10$
$b = -1$
$y = -20$
$\frac{1}{45}$
$-9$
$g = \frac{5}{8}$
$p = -3.8$
$\frac{5}{3}$
$y = 10$
$b = -1$
$y = -20$
$\frac{1}{45}$
$8$
Proportion
$\frac{3}{5}$
$x = \frac{3}{5}$
$y = 10$
$b = -1$
$y = -20$
$\frac{1}{45}$
$-9$
$g = \frac{5}{8}$