10
Answer: CSet 3: Quadratic Equations (Beginner)
Explanation
PROBLEM
Solve: (x - 3) squared = 1. Find the positive solution.
Solve: (x - 3) squared = 1. Find the positive solution.
A.
5
B.
8
C.✓ Correct
4
D.
3
Detailed Explanation
Choice C is the best answer. Take square root: x - 3 = ±1. x = 3 + 1 = 4 or x = 3 - 1 = 2
Why others are wrong:
A: 5 is incorrect because it does not satisfy the equation.
B: 8 is incorrect because it does not satisfy the equation.
D: 3 is incorrect because it does not satisfy the equation.
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