Absolute Value Review

What is the absolute value of |-26|

• 26
• -26
• -2.6
• 36

Find the absolute value of  l 48 l

• -48
• 48
• √48
• 0.048

Tags

CCSS.6.NS.C.7C

What is the definition of an absolute value?

• The distance a number is from zero.
• How much money you have.
• Your age.
• The x-intercepts

 3 |−8x| + 8 = 80 

• x = -3 OR x = 3
• x = 72 OR x = -72
• x = 17 OR x = -17
• x = 24 OR x = -24

|3x| = 9

• x = 2 OR x = 3
• x = -3 OR x = 3
• x = 6 OR x = -6
• x = 3 OR x = 3

Evaluate the expression:

f(x) = 5|–1 + x|

find f(6)

• 25

• 15

• –15

• –25

Evaluate the expression.

f(x) = |–5 + x|

find f(11)

• 4

• -4

• -6

• 6

Solve:
|x + 3| > - 8

• x > 5 or x < -11
• x > 5
• all real numbers
• no solution

Solve:

3 | 2x + 7| - 7 < - 4

• x < -3 and x > -5/3

• x < -3 and x > -4

• all real numbers

• no solution

Solve:
3 | 2x + 7| + 7 < 4

• x < -3 and x > -5/3
• x < -3 and x > -4
• all real numbers
• no solution