Which of the following quadratic functions is in the vertex form?
a. 2y = x2 + 1
c. y = (x + 3)2 + 5
b. y= 2x 2 + 4x– 1
d. y = (x2– 4)– 2
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Which of the following quadratic functions is in the vertex form?
a. 2y = x2 + 1
c. y = (x + 3)2 + 5
b. y= 2x 2 + 4x– 1
d. y = (x2– 4)– 2
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Answer:
a.2y=×2 +1
Step-by-step explanation:
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