Question

Select the correct answer.

Solve the following equation by completing the square.
4z²-16z +8=0
O A z = 2 + √2 orz = 2-√2
OB.
z = 2 + √2 or z = − 2 + √2
z = −2+ √2 orz = -2-√2
z = 4 or z = 0
O C.
O. D.
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Answer 1

Explanation:

4z-16z+8=0

[4×8]=32

factors of 32

1,2,4,8,....