The vertex of the graph of a quadratic function is (2, –1) and the y-intercept is (0, 7). Which of the following is the equation
of the function?
A.
y = 2x2 – 8x + 7
B.
y = 2x2 + 8x + 7
C.
y = 2x2 + 8x – 7
D.
y = 2x2 – 7x + 8
2 answers:
Answer:
<em>A</em>. y = 2x2 – 8x + 7
Step-by-step explanation
1st: Factor it
2nd: add the same value to both sides
3rd: Multiply and rewrite
4th: calculate to your answer
I think is d I wanna say D..it might be wrong tho
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