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4

Set 1: Quadratic Equations (Beginner)

Explanation

Answer: B

PROBLEM

Solve: 3x squared = 75. Find the positive value of x.

Solve: 3x squared = 75. Find the positive value of x.

A.

10

B.

5

✓ Correct
C.

6

D.

7

Detailed Explanation

Choice B is the best answer. x squared = 75/3 = 25. x = 5

Why others are wrong:
A: 10 is incorrect because it does not satisfy the equation.
C: 6 is incorrect because it does not satisfy the equation.
D: 7 is incorrect because it does not satisfy the equation.
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