Inequalities Review

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.

• b > –2
• b < –2
• b ≥ –2
• b ≤ –2

What inequality does the number line graph represent?

• x ≤ -4
• x ≥ -4
• x < -4
• x < 4

Which graph matches the inequality
r ≥ -6?

• A
• B
• C
• D

Which graph matches the inequality
2 > p?

• A
• B
• C
• D

-3 + x ≤ -11

• x ≤ -8
• x ≤ 8
• x ≥ -8
• x ≥ 8

-8x < 48

• x < -6
• x > -6
• x < 6
• x > 6

15 > -5 + z

• z < 20
• z > 20
• z > 10
• 10 > z

Level 1

When do we switch the inequality symbol?

• when multiplying or dividing by a NEGATIVE

• when adding and subtracting a NEGATIVE

• we never switch the inequality

• When there is a negative in the problem