Algebra 1 Chapter 5 Test Answer Key

1 Solve and graph the inequality: k – 7 < 5

Correct answer: 

2. Solve and graph the inequality: -2 ≥ w – 6

Correct answer:

3. Solve the inequality:

b ≥ 27

b ≥ 12

b ≥ -27

Correct answer: b ≥ 27

4. Solve the inequality:

b < -24

b > -24

b > 6

Correct answer: b < -24

5. Solve the inequality: -5f < 25

f > -125

f > -5

f < -5

Correct answer: f > -5

6. Solve the inequality:

5a + 9 – 7a > 13

a > -2

a < -2

a > 1

Correct answer: a < -2

7. Solve in the inequality: 8h + 4 > 68

h < 8

h > 8

h > 64

Correct answer: h > 8

8. Solve the inequality:

-18(2z + 8) < -6(6z – 5)

Empty set

z > 17

z < 174

Correct answer: All real numbers

9. Solve the inequality:

5n – 3(n – 6) ≥ 0

n ≥ 9

n ≥ -9

n ≤ 9

Correct answer: n ≥ -9

10. Solve the inequality:

-4 < 3t + 5 ≤ 20

t < -3

t < -3 or t ≥ 5

Correct answer: -3 < t ≤ 5

11. Solve the inequality:

Correct answer:

12. Which is the graph of the inequality:

Correct answer:

13. Graph the inequality:

Correct answer: 3y > 2x – 3

14. Juan’s income y consists of at least $37,500 salary plus 5% commission on all of his sales x. Which inequality represents Juan’s income in one year?

y ≥ 37,500 + 0.05x

y ≤ 37,500 + 5x

y ≥ 37,500 + 5

Correct answer: y ≥ 37,500 + 0.05x

15. Which inequality has the solution set shown in the graph?

y > -x + 2

y > -x + 1

y < -x + 1

Correct answer: y > -x + 2

rate of change

Answer: slope

slope

Answer: m=rise over run can be fractions

rise

Answer: y-axis

run

Answer: x-axis

delta