Question

Which expression is equivalent to |x| > 9?

A. x > –9 and x < 9


B. x > –9 or x < 9


C. x < –9 and x > 9


D. x < –9 or x > 9

Answer 1

C

Explanation:

when you do the absolute value you take out the sign

x > 9

but with absolute value there is also a negative answer. and with the greater than sign it would switch to less than.

x < -9