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