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5

Set 3: Quadratic Equations (Beginner)

Explanation

Answer: A

PROBLEM

Solve: 3x squared = 48. Find the positive value of x.

Solve: 3x squared = 48. Find the positive value of x.

A.

4

✓ Correct
B.

8

C.

3

D.

2

Detailed Explanation

Choice A is the best answer. x squared = 48/3 = 16. x = 4

Why others are wrong:
B: 8 is incorrect because it does not satisfy the equation.
C: 3 is incorrect because it does not satisfy the equation.
D: 2 is incorrect because it does not satisfy the equation.
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