6
Answer: ASet 3: Quadratic Equations (Beginner)
Explanation
PROBLEM
Solve: (x - 6) squared = 25. Find the positive solution.
Solve: (x - 6) squared = 25. Find the positive solution.
A.✓ Correct
11
B.
22
C.
9
D.
12
Detailed Explanation
Choice A is the best answer. Take square root: x - 6 = ±5. x = 6 + 5 = 11 or x = 6 - 5 = 1
Why others are wrong:
B: 22 is incorrect because it does not satisfy the equation.
C: 9 is incorrect because it does not satisfy the equation.
D: 12 is incorrect because it does not satisfy the equation.