Solving Inequalities with Lines

Which signs produce a solid line?

• <, >

• ≤, ≥

• <, ≤

• >, ≥

Which signs shade above the line?

• <, >

• ≤, ≥

• <, ≤

• >, ≥

What inequality does the number line graph represent. 

• x < 2

• x > 2

• x ≥ 2

• x ≤ 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

Solve the inequality.
x + 5 ≤ 13

• x ≥ 8

• x ≥ 18

• x ≤ 8 

• x ≤ 18 

x + 5 > 7

• x > -2

• x > 2

• x > 12

• x > -12

-4 + y < -8

• y < 4

• y < -12

• y < -4

• y < 12

4x + 1 > 13

• x > 48

• x < 3

• x > 3.5

• x > 3

Solve
(n/3) > -20 

• n > 60

• n < -17

• n > -60

• n < -23