10
Answer: BSet 2: Quadratic Equations (Advanced)
Explanation
PROBLEM
For the parabola y = 3(x - 4) squared + 6, what is the x-coordinate of the vertex?
For the parabola y = 3(x - 4) squared + 6, what is the x-coordinate of the vertex?
A.
2
B.✓ Correct
4
C.
3
D.
8
Detailed Explanation
Choice B is the best answer. In vertex form y = a(x - h) squared + k, the vertex is at (h, k). So x = 4
Why others are wrong:
A: 2 is incorrect because it does not satisfy the equation.
C: 3 is incorrect because it does not satisfy the equation.
D: 8 is incorrect because it does not satisfy the equation.
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