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shepuryov [24]
2 years ago
10

Factored Form: y=2(x+5)(x+4) What are the x- intercepts, y-intercepts, and vertex?

Mathematics
1 answer:
geniusboy [140]2 years ago
6 0
X=-5,-4
Vertex = -b/2a= -9/2
Y intercept= 40


Mark brainliest please


Hope this helps you
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satela [25.4K]

Answer:

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Step-by-step explanation:

{6x + 5y = 147

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-¾[8x + 4y = 156]

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________________

2y = 30

___ ___

2 2

y = 15 [Plug this back into both equations to get the x-coordinate of 12]; 12 = x

So, using the Elimination Method, what I did here was took the bottom equation and multiplied it by -¾, turning 8x to -6x, canceling out all <em>x-terms</em><em>.</em><em> </em>It does not matter which variable you choose to eliminate, as long as you know what you are doing.

I am joyous to assist you anytime.

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