Question

Which of the following is not a way to represent the solution of the inequality 8x - (5x + 4) greater than or equal to -31

Answer 1

x greater than or equal to -9

A number line with a closed circle on -9 and shading to the left.

-9 less than or greater to x

A number line with a closed circle on -9 and shading to the right.

Answer 2

anyone?

Answer 3

Solving the inequality you get \[x \ge -9\]
right? A closed circle means that that number is included. So obviously, -9 is included because x is greater then OR EQUAL to -9. Now, which number is greater than or equal to -9: -5 or -23?