6
Answer: DSet 2: Quadratic Equations (Beginner)
Explanation
PROBLEM
Solve: 2x squared = 8. Find the positive value of x.
Solve: 2x squared = 8. Find the positive value of x.
A.
4
B.
1
C.
3
D.✓ Correct
2
Detailed Explanation
Choice D is the best answer. x squared = 8/2 = 4. x = 2
Why others are wrong:
A: 4 is incorrect because it does not satisfy the equation.
B: 1 is incorrect because it does not satisfy the equation.
C: 3 is incorrect because it does not satisfy the equation.