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stepan [7]
1 year ago
5

find the coordinates of the vertex of the following parabola algebraically. write your answer as an (x,y) point..y=x²+9

Mathematics
1 answer:
Alexandra [31]1 year ago
3 0

Explanation:

using the parabola formula:

y = a(x-h)² + k²

vertex = (h, k)

We are given a parebola equation of: y = x²+9

comparing both equations to get the vertex:

y = y

a = 1

(x-h)² = x²

x² = (x + 0)²

(x-h)² = (x + 0)²

h = 0

+k = +9

k = 9

The vertex of the parabola as (x, y): (0, 9)

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Vikentia [17]

Answer:

The answer is 198.

Step-by-step explanation:

First you need to know how much is a batch of cookies which is 60. Since she made 3 batches that means you will need to multiply 3 by 60, which will give you 180 cookies. Next you will need to add 2 to 10 because thats how much were took. That equals 12. Subtract 12 from 180 and that will give you 168. Last but not least you will need to add 30 because that is half the batch of cookies her neighbor gave to her. So 168 plus 30 equals 198.

7 0
3 years ago
2x = 4y + 8, x - 2y = 4
Evgen [1.6K]

Answer: x = 8, y = 2, coordinates (8,2)

Step-by-step explanation:

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(now substitute x into the second equation to find value of y)

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Now plug in value of "y" to get value of "x".

x - 2(2) = 4

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Coordinates (8,2)

3 0
3 years ago
For a taxi driver, which measures must be accurate? Check all that apply.
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Answer:

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Step-by-step explanation:

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