3 years ago

What is the vertex of y=-x^2+4x+3

Mathematics

1 answer:

djverab [1.8K]3 years ago

5 0

I actually don’t know this sorry..yk(for the points)

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Question 11 of 25

Olegator [25]

$\\ \sf\longmapsto x+4=\sqrt{8-x}$

$\\ \sf\longmapsto (x+4)^2=8-x$

$\\ \sf\longmapsto x^2+16+8x=8-x$

$\\ \sf\longmapsto x^2+8x-x+16-8=0$

$\\ \sf\longmapsto x^2+7x+8=0$

$\\ \sf\longmapsto x^2-8x+x+8$

$\\ \sf\longmapsto (x-8)(x-1)=0$

$\\ \sf\longmapsto x=8,-1$

Option C

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puteri [66]

Answer:

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Step-by-step explanation:

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Someone pls help me I will make you as brain

VladimirAG [237]

Answer:

It's -3 :)

Step-by-step explanation:

g(x) = 1 and f(x) = -3 and to find k you need to do f(x)/g(x). Therefore, -3/1 = -3. Hope this helped!

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What is 2,789 divided by 36

Tpy6a [65]

It's 77.472 , but since you probably need too round it will be 77.5

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The price of a share of stock started the day at $19. During the day it went down $13 up $1, and down $14 and up $4. What intege

Valentin [98]

Answer:

-3

Step-by-step explanation:

19-13=6+1=7-14=-7+4=-3

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