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alex41 [277]
2 years ago
7

Please help i need it now:)

Mathematics
1 answer:
NikAS [45]2 years ago
4 0
A: 40

B:400

C:4000

D:40000
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Complete the square to put () in vertex form. () = 3<br> 2 + 30 − 12. What is the vertex?
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Answer:

A and A

the equation of a parabola in vertex form is

y = a(x - h)² + k

where ( h, k ) are the coordinates of the vertex and a is a multiplier

y = - 2(x + 3)² + 2  is in this form

with vertex = ( - 3, 2)

To find the y-intercept let x = 0

y = - 2(3)² + 2 = - 18 + 2 = - 16

Similarly

y = - 2(x + 2)² + 2 is in vertex form

vertex = ( - 2 , 2)

x = 0 : y = - 2(2)² + 2 = - 8 + 2 = - 6 ← y- intercept

hope this helped

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