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riadik2000 [5.3K]
3 years ago
14

Who is good at geometry and willing to answer my questions? The reward: 50 pts.

Mathematics
1 answer:
blsea [12.9K]3 years ago
6 0

Answer:

me

Step-by-step explanation:

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Y=x^2+bx+c;(-2,3)
Maksim231197 [3]
<h3>Answer:  b = 4 and c = 7.</h3>

===============================================

Explanation:

Comparing y = x^2+bx+c to y = ax^2+bx+c, we see that a = 1.

The vertex given is (-2,3). In general, the vertex is (h,k). So h = -2 and k = 3.

Plug those three values into the vertex form below

y = a(x-h)^2 + k

y = 1(x-(-2))^2 + 3

y = (x+2)^2 + 3

Then expand everything out and simplify

y = x^2+4x+4 + 3

y = x^2+4x+7

We see that b = 4 and c = 7.

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3 years ago
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Answer:

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Step-by-step explanation:

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The answer is 25, leave a like (:
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i need a photo or an equation TvT

Step-by-step explanation:

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