Set 5: Quadratic Equations (Beginner)

[Variation 1] **Choice C is the best answer.** x squared = 18/2 = 9. x = 3

Explanation

Answer: C

PROBLEM

Recent studies show that solve: 2x squared = 18. Find the positive value of x.

Solve: 2x squared = 18. Find the positive value of x.

✓ Correct

Detailed Explanation

[Variation 1] Choice C is the best answer. x squared = 18/2 = 9. x = 3

Why others are wrong:

A: 2 is incorrect because it does not satisfy the equation.

B: 4 is incorrect because it does not satisfy the equation.

D: 1 is incorrect because it does not satisfy the equation.