Question

Determine whether the biconditional is a true statement.

|x|=9 if and only if x=9​

Answer 1

Answer: false

Step-by-step explanation: |x|=9 can be -9 or 9

Answer 2

the biconditional is a true statement

Explanation:

The absolute value of x is 9 if it's equal to 9.

(If this is wrong I'm sorry I haven't done this kind of math in a while!)