Question

Solve: 2|y| - 8 = 0
A. {0}
B. {-8, 8}
C. {-4,4}
D. 0 with a line through it​

Answer 1

C. {-4,4}

Explanation:

2|y| - 8 = 0

Add 8 to each side

2|y| - 8+8 = 0+8

2|y| = 8

Divide by 2

2/2|y| = 8/2

|y| = 4

y = 4 and y=-4