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1

Set 2: Quadratic Equations (Advanced)

Explanation

Answer: A

PROBLEM

For the parabola y = 2(x - 6) squared + 8, what is the x-coordinate of the vertex?

For the parabola y = 2(x - 6) squared + 8, what is the x-coordinate of the vertex?

A.

6

✓ Correct
B.

8

C.

7

D.

5

Detailed Explanation

Choice A is the best answer. In vertex form y = a(x - h) squared + k, the vertex is at (h, k). So x = 6

Why others are wrong:
B: 8 is incorrect because it does not satisfy the equation.
C: 7 is incorrect because it does not satisfy the equation.
D: 5 is incorrect because it does not satisfy the equation.
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