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7

Set 4: Quadratic Equations (Beginner)

Explanation

Answer: A

PROBLEM

Solve: 2x squared = 32. Find the positive value of x.

Solve: 2x squared = 32. Find the positive value of x.

A.

4

✓ Correct
B.

5

C.

8

D.

6

Detailed Explanation

Choice A is the best answer. x squared = 32/2 = 16. x = 4

Why others are wrong:
B: 5 is incorrect because it does not satisfy the equation.
C: 8 is incorrect because it does not satisfy the equation.
D: 6 is incorrect because it does not satisfy the equation.
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