6

Set 4: Quadratic Equations (Beginner)

Explanation

Answer: A

PROBLEM

Recent studies show that solve: 2x squared = 8. Find the positive value of x.

Solve: 2x squared = 8. Find the positive value of x.

A.

2

✓ Correct
B.

1

C.

3

D.

4

Detailed Explanation

[Variation 1] Choice A is the best answer. x squared = 8/2 = 4. x = 2

Why others are wrong:
B: 1 is incorrect because it does not satisfy the equation.
C: 3 is incorrect because it does not satisfy the equation.
D: 4 is incorrect because it does not satisfy the equation.