Express the function y = 2x^ 2 + 8x + 1 in vertex form.
1 answer:
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Answer:
B. (b x d) - c
Step-by-step explanation:
i. -(a x d) + b
= -(6 x ) + 8
= -3 + 8
= 5
ii. (b x d) - c
(8 x ) - 4
= 4 - 4
= 0
iii. 2(b x f) + a
= 2(8 x ) + 6
= 4 + 6
= 10
iv. (a x e) - c
= (6 x ) - 4
= 2 - 4
= -2
Thus, the expression which is equivalent to 0 is that of option B.
