Practice!

Sample Problem

Solve the inequality 8x – 2 > 14 or -5x + 7 ≥ 27, then select the correct graph of the solution from below.

Solution

8x – 2 > 14

8x > 16

x> 2;

-5x + 7 ≥ 27

-5x ≥ 20

x≤ -4;

x> 2 or x ≤ -4

Choice D is the correct answer because it has a closed dot at -4 and an open dot at 2.