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Misha Larkins [42]
3 years ago
5

Write a quadratic equation to represent a function with the vertex (-4, 1)

Mathematics
1 answer:
pishuonlain [190]3 years ago
6 0

Answer:

y=a(x+4)^2 +1, for a real number a hat is different of 0.

Step-by-step explanation:

If we know only the vertex, there are many quandratic equations.

* Result: Vertex (m,n), the quadratic equation is y= a(x-m)^2 + n for a real number a that is different of 0.

Here, the vertex (-4,1), we have the equation: y=a(x+4)^2 +1, for a real number a hat is different of 0.

Hope you understand.

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2 years ago
Shameeka sold her hamsters to a pet store. This doubled the number of hamsters in the store. Then the store got six more hamster
nalin [4]

Answer: shameeka sold 20 hamsters to the store.

Step-by-step explanation:

Let x represent the number of hamsters that shameeka sold to the store.

Let y represent the number of hamsters that the pet store had initially.

Shameeka sold her hamsters to a pet store. This doubled the number of hamsters in the store. It means that

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x = 2y - y

x = y

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Since x = y, then

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2 years ago
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Trava [24]

9514 1404 393

Answer:

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  3. -24
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Step-by-step explanation:

Put the numbers where the variables are and do the arithmetic. Your calculator can help.

1. 6x -2y +5y = 6(10) -2(3) +5(3) = 60 -6 +15 = 69

__

2. add 16 to find x.

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  x = 45

Then do the substitution:

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3. 3(4²) -4(18) = 3(16) -4(18) = 48 -72 = -24

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4. (1/9)³ = (1/9)(1/9)(1/9) = 1/(9·9·9) = 1/729

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Step-by-step explanation:

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