Review Equations and Inequalities

Solve:
-2 + x ≤ -16

• x ≤ -14
• x ≥ 14
• x ≤ -18

-4x + 14 ≤ 54

• x ≥ - 10
• x ≤ -10
• x ≥ 10
• x ≤ 10

-4x -7 ≥ 21

• x ≤ -7

• x ≥ -7
• x ≤ 8
• x ≤ -8

What inequality does the number line graph represent?

• x ≤ 4
• x ≥ -4
• x < -4
• x < 4

Pick the correct letter for:
6 > x

• A
• B
• C
• D

Johnny earns $15 per hour dog walking. He wants to earn at least $105 to buy a new bike. Which inequality represents how long Johnny needs to work to afford his new bike? 

• 15h ≤ 105
• 15h > 105
• 15h < 105
• 15h ≥ 105

What inequality does the number line graph represent?

• x > 5
• x < −5
• x ≥ 5
• x ≥ −5

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

• ≤, ≥ 
• <, >
• ≤, <
• ≥, >

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

• <, >
• ≤, ≥ 
• ≤, <
• ≥, >

Match the graph with its inequality.

• a > 11
• a < 11
• a ≥ 11
• a ≤ 11