10
Answer: DSet 1: Quadratic Equations (Beginner)
Explanation
PROBLEM
Solve: 3x squared = 27. Find the positive value of x.
Solve: 3x squared = 27. Find the positive value of x.
A.
4
B.
1
C.
5
D.✓ Correct
3
Detailed Explanation
Choice D is the best answer. x squared = 27/3 = 9. x = 3
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: 5 is incorrect because it does not satisfy the equation.
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