Quiz In Class

Title: Equations with absolute value

Grade 7+ Lesson s1-l1

Explanation: Hello Students, time to practice and review. Let us take next 10-15 minutes to solve the ten problems using the Quiz Sheet. Then submit the quiz to get the score. This is a good exercise to check your understanding of the concepts.

Quiz: in Class

Id Name Note

1

Solve \$ 5| 4a + 2 | + 6 = 56 \$.

A) a = 1, -2

B) a = 2, -3

C) a = 3, -4

D) a = 2, -5

2

Solve for w: \$ | 2w - 3 | = 5 \$.

A) w = 1, w = -1

B) w = 1,r w = 2

C) w = 4, w = -1

D) w = 4, w = 5

3

Solve \$ | c - 10 | = 3 \$.

A) c = 9 and c = 14

B) c = 7 and c = 15

C) c = 4 and c = 12

D) c = 7 and c = 13

4

Find k if \$ 2\∣ 3k - 1 \∣ = 20 \$.

A) \$ k = (11)/3, k = -3 \$

B) \$ k = 7/3, k = -3 \$

C) \$ k = (11)/3, k = -2 \$

D) \$ k = (14)/3, k = -5 \$

5

Solve the equation and Done whether the solutions are satisfied or not:

\$ 4| 2p + 3| + 4 = 20 \$.

A) \$ p = 1/2, p = -7/2 \$

B) \$ p = 1/4, p = -7/2 \$

C) \$ p = 1/2, p = -7/4 \$

D) \$ p = 3/4, p = -1/2 \$

6

Solve for q \$|3q - 4| + 2 = 6\$.

A) q = 0 and \$q = 8/3\$

B) q = 0

C) q = 0 and \$q = 3/8\$

D) \$q = 3/8 and q = 8/3\$

7

Solve the equation containing absolute value:

\$|2y^2 - 3y - 5| = 3y + 7\$.

A) \$y = (3 ± \sqrt(33))/2\$

B) \$y = (3 - \sqrt(33))/2\$

C) \$y = (3 + \sqrt(33))/2\$

D) None of these

8

Solve the equation \$|s + 2| = |2s - 3|\$.

A) \$s = 1/3\$ and s = - 5

B) \$s = 1/3\$ and s = 5

C) \$s = - 1/3\$ and s = 5

D) \$s = - 1/3\$ and s = - 5

9

Solve the equation \$\∣3m - 2\∣ + \∣m + 4\∣ = 10\$.

A) m = 2 and m = 2

B) m = -2 and m = -2

C) m = 2 and m = -2

D) All the above

10

Solve the equation and Done whether the solutions are satisfied or not \$\∣r - 3\∣ = 7\$.

A) r = 1 and r = - 4

B) r = - 10 and r = - 4

C) r = - 1 and r = - 4

D) r = 10 and r = - 4

Copyright © 2020-2024 saibook.us Contact: info@saibook.org Version: 4.0 Built: 04-Oct-2025 12:00PM EST