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IrinaK [193]
3 years ago
5

Help meee plsssssssssssss

Mathematics
2 answers:
pshichka [43]3 years ago
4 0

Answer:bet

Step-by-step explanation: I would but I’m not smart enough

aniked [119]3 years ago
4 0
I can’t see image pls repost thank you!
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Sorry don’t now the answer to this problem
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Susan had a $10 coupon for the purchase of any time item. She bought a coat that was on sale for
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Find the vertex of the graph of f(x)=-4(x-1)(x+5)
madreJ [45]

The vertex of the graph is (h, k) = (- 2, 36).

<h3>How to find analytically the vertex of a quadratic equation</h3>

In this question we have a quadratic equation of the form f(x) = a · (x - r₁) · (x - r₂) and we need to transform the expression into its vertex form of determine the coordinates of the vertex. First, we need to exprand the expression:

f(x) = - 4  · (x - 1) · (x + 5)

f(x) = - 4 · (x² + 4 · x - 5)

f(x) = - 4 · x² - 16 · x + 20

Now we proceed to complete the square:

f(x) = - (4 · x² + 16 · x - 20)

- f(x) = 4 · x² + 16 · x - 20

- f(x) = (2 · x)² + 8 · (2 · x) - 20

- f(x) + 36 = (2 · x)² + 8 · (2 · x) + 16

- f(x) + 36 = (2 · x + 4)²

- f(x) + 36 = 4 · (x + 2)²

f(x) - 36 = - 4 · (x + 2)²

The vertex of the graph is (h, k) = (- 2, 36).

To learn more on quadratic equations: brainly.com/question/17177510

#SPJ1

7 0
1 year ago
Numbers like 10 100 1000 and so on are called
Ad libitum [116K]
Powers of ten, and they're easy to represent as exponents.<span />
6 0
3 years ago
Read 2 more answers
(HELP PLEASE!!)
Verizon [17]

Answer:

3

Step-by-step explanation:

i googled it, if anyone else answers Brainliest?


5 0
3 years ago
Read 2 more answers
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