Inequalities and Absolute Value Review

|x| = 5

• x = 5

• x = 5 or x = -5

• x = -5

• x = 5 or x = 1/5

|x + 3| = -5

• x = -8 or x = 2

• no solutions

• x = 8 or x = -2

• x = 5 or x = -5

What is the equation of the graph?

• y>3x+1

• y>1x+3

• y<3x+1

• y<1x+3

Tags

CCSS.HSA.REI.D.12

When you graph an inequality, you used a closed dot when you use which symbols?

• ≤, ≥ 
• <, >

Tags

CCSS.6.EE.B.8

Solve.

|x + 4| < 5

• x < -9 or x > 1

• -9 < x < 1

• x < 9 or x > -1

• -1 < x < 9

Solve.
|y - 4| ≥ 8

• y ≤ -4 or y ≥ 12
• -4 ≤ y ≤ -12
• y ≤ 4 or y ≥ -12
• -12 ≤ x ≤ 4

Solve:
|x + 4| - 8 > 2

• x > 6 and x < 10
• x > 6 or x < -14
• all real numbers
• no solution

Solve.
-5|x - 4| > -20

• x < 8 and x > 0
• x > 8 or x < 0
• all real numbers
• no solution

Solve:
2x + 5 <  3x - 6

• x < 11
• x > 11
• x > -11
• x < -11

Find the slope

• -5/3
• -3/5
• 5/3
• 3/5

Tags

CCSS.8.EE.B.5