7

Set 3: Quadratic Equations (Beginner)

Explanation

Answer: A

PROBLEM

Recent studies show that solve: 1x squared = 25. Find the positive value of x.

Solve: 1x squared = 25. Find the positive value of x.

A.

5

✓ Correct
B.

7

C.

4

D.

3

Detailed Explanation

[Variation 1] Choice A is the best answer. x squared = 25/1 = 25. x = 5

Why others are wrong:
B: 7 is incorrect because it does not satisfy the equation.
C: 4 is incorrect because it does not satisfy the equation.
D: 3 is incorrect because it does not satisfy the equation.