Question

Which of the following is not an equivalent form of the compound inequality

x + 6 > 15 or x + 6 less than or greater to 12

x > 9 or x less than or greater to 6

x less than or greater to 6 or x > 9

A number line with an open circle on 9, shading to the right, and a closed circle on 6, shading to the left.

A number line with an open circle on 9, a closed circle on 6, and shading in between.

Answer 1

whats a compound inequality?