SaiBook.us Math

Home Course Section Lesson

Lesson Topics Discussion Quiz: Class Homework

Quiz At Home

Title: Absolute values

Grade 6+ Lesson s1-l5

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: at Home

Id	Name	Note
1	Which of the following represents the absolute value of the difference between two numbers a and b?	A) \$\|a + b\|\$ B) \$\|a - b\|\$ C) \$\|a\| - \|b\|\$ D) \$\|b\| - \|a\|\$
2	If \$\|x - 4\|\$ = 9, what are the possible values of x?	A) x = -13 or x = 4 B) x = -5 or x = 13 C) x = 5 or x = -13 D) x = -13 or x = -5
3	If \$\|x - 2\|\$ = \$\|3x + 1\|\$, what is the value of x?	A) \$ x = -2/3 "or" x = 1/4 \$ B) \$ x = 1/3 "or" x = 2/5 \$ C) x = -3 or x = -5 D) \$ x = -3/2 "or" x = 1/4 \$
4	What is the absolute value of \$\|3x - 4\| + \|2x + 5\|\$ if x = -2?	A) 15 B) 5 C) 10 D) 11
5	If \$\|2x - 3\|\$ = \$\|x + 5\|\$, what are the possible values of x?	A) x = -4 or x = \$ 1/2\$ B) x = -1 or x = 5 C) x = 8 or x = \$-2/3\$ D) x = 2 or x = 9
6	Simplify: \$ \| 6 + 13 \| - \|8 - 5\| \$	A) 19 B) 13 C) 16 D) 12
7	Simplify: \$ \| 16 - 55 \| + \|- 18 + 3 \| + \|- 21 - 13 \| \$	A) 88 B) 66 C) 94 D) -78
8	Simplify: \$ \| 32 - 27\| \times \| - 4 \| \$	A) 20 B) -20 C) -30 D) 16
9	Simplify: \$ - \|-27 - 8\| \div \| 8 + (- 15) \| \$	A) \$5/2\$ B) -5 C) -4 D) -7
10	Simplify: \$ \|- 45 + (- 77) + 31\| \$	A) 63 B) 91 C) -153 D) -138

Name

Note

Which of the following represents the absolute value of the difference between two numbers a and b?

A) \$|a + b|\$

B) \$|a - b|\$

C) \$|a| - |b|\$

D) \$|b| - |a|\$

If \$|x - 4|\$ = 9, what are the possible values of x?

A) x = -13 or x = 4

B) x = -5 or x = 13

C) x = 5 or x = -13

D) x = -13 or x = -5

If \$|x - 2|\$ = \$|3x + 1|\$, what is the value of x?

A) \$ x = -2/3 "or" x = 1/4 \$

B) \$ x = 1/3 "or" x = 2/5 \$

C) x = -3 or x = -5

D) \$ x = -3/2 "or" x = 1/4 \$

What is the absolute value of \$|3x - 4| + |2x + 5|\$ if x = -2?

A) 15

B) 5

C) 10

D) 11

If \$|2x - 3|\$ = \$|x + 5|\$, what are the possible values of x?

A) x = -4 or x = \$ 1/2\$

B) x = -1 or x = 5

C) x = 8 or x = \$-2/3\$

D) x = 2 or x = 9

Simplify:

\$ | 6 + 13 | - |8 - 5| \$

A) 19

B) 13

C) 16

D) 12

Simplify:

\$ | 16 - 55 | + |- 18 + 3 | + |- 21 - 13 | \$

A) 88

B) 66

C) 94

D) -78

Simplify:

\$ | 32 - 27| \times | - 4 | \$

A) 20

B) -20

C) -30

D) 16

Simplify:

\$ - |-27 - 8| \div | 8 + (- 15) | \$

A) \$5/2\$

B) -5

C) -4

D) -7

Simplify:

\$ |- 45 + (- 77) + 31| \$

A) 63

B) 91

C) -153

D) -138