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3 years ago

The vertex of this parabola is at (-3,2). Which of the following could be its equation?

Mathematics

2 answers:

VashaNatasha [74]3 years ago

7 0

vertex form of a parabola

y= a(x-h)^2 +k

y =a(x--3)^2 +2

y = a(x+3)^2 +2

Choice B

Gnoma [55]3 years ago

5 0

Answer:

The answer is B.

Step-by-step explanation:

When you have an equation in vertex form, we can find the x value of the vertex by looking in the parenthesis. The opposite number as is being added to x is the x value. Since we are looking for -3, we are looking for a positive 3 in the parenthesis. This leaves us with just A and B.

On the outside, the constant is the y value of the vertex. Since we are looking for a positive 2, we know B is the correct choice.

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Answer:

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3 years ago

A group of hikers buys 8 bags of mixed nuts. Each bag contains 3 and 1/2 cups of mixed nuts. the mixed nuts are shared evenly am

nika2105 [10]

Answer:

2 1/3 cups for each hiker

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3 years ago

The managers of an airline analyzed a random sample of flights and found that 48 out of 50 were on time. The airline has 450 fli

Elena L [17]

Answer:

432 flights are expected to arrive at time.

Step-by-step explanation:

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8 0

3 years ago

A box contains 5 blue balls, 2 white balls and 3 black balls. A ball is chosen randomly. Find the probability that the chosen ba

Nimfa-mama [501]

Answer:

7/10 or 70%

Step-by-step explanation:

Add the number of each color of balls together to get the total

5 + 2 + 3 = 10

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Then divide how many balls that aren't black by the total. This gives us the probability the ball you choose is not black

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5 0

3 years ago

Can someone help solve

leva [86]

$\frac{-18z^{7}y^{5}-9z^{9}y^4+18z^6y^8}{9zy^{2} }= -2z^6y^3-z^8y^2+2z^5y^6$

When variables with exponents are divided by each other, you subtract the exponents.

For example:

$\frac{x^2}{x^1} = x^{2-1} =x^1$

$\frac{x^5}{x^3} =x^{5-3} = x^2$

8 0

3 years ago