Chapter 3B Quiz Review

10 < 3x + 19

• x < 3
• x > 3
• x < -3
• x > -3

14 < -2a + 6 - 2a

• a > -2
• a < -2
• a > 2
• a < 2

14x + 14 ≥ 9x + 9

• x ≥ −1
• x ≤ -1
• x ≥ 1
• x ≤ 1

2x + 4 ≥ 8 + 2x

• x ≥ 0
• no solution
• all real numbers
• x ≤ 2

Solve:
3(y+5)≥21

• y≤2
• y≥2
• y≥12
• y≤12

When graphing an inequality, you use an open dot when you use which symbol?

• <, >
• ≤, ≥ 

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

• ≤, ≥ 
• <, >

0 < x + 7 < 9

• -7 < x < 2
• -7 < x   or   x < 2
• 0 < x > 2
• -7 < x > 2

Write an inequality for Graph 3.

• x ≤ -2 AND x > 5
• x ≤ -2 OR x > 5
• x ≥ -2 OR x < 5
• -2 ≤ x < 5

What inequality does the number line graph represent?

• -1 ≤ x < 6
• -1 > x ≥ 6
• -1 < x ≤ 6
• -1 ≥ x < 6