4
Answer: CSet 3: Quadratic Equations (Beginner)
Explanation
PROBLEM
Recent studies show that solve: 1x squared = 16. Find the positive value of x.
Solve: 1x squared = 16. Find the positive value of x.
A.
2
B.
5
C.✓ Correct
4
D.
8
Detailed Explanation
[Variation 1] Choice C is the best answer. x squared = 16/1 = 16. x = 4
Why others are wrong:
A: 2 is incorrect because it does not satisfy the equation.
B: 5 is incorrect because it does not satisfy the equation.
D: 8 is incorrect because it does not satisfy the equation.