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sashaice [31]
3 years ago
13

PLEASE help asap if u know the answer!!!! quadratic functions:vertex form thank you!!!

Mathematics
1 answer:
SOVA2 [1]3 years ago
6 0

Answer:

The answer to your question is: third option, it's a parabola

Step-by-step explanation:

f(x) = (x + 4)²

f(x) = x² + 4

f(x) = (x - 4)²    I think this is the right answer, because when get the vertex, the signs are changed, if the -4 is negative, it means that the graph must be located in +4.

f(x) = x² - 4

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Answer:

X= -1/3

Step-by-step explanation:

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3 years ago
Determine the quadratic function f whose graph is given. The vertex is (1,-3) and y-intercept is -2
Nesterboy [21]

Answer:

Vertex form: f(x)=(x-1)^2-3

Standard form: f(x)=x^2-2x-2

Step-by-step explanation:

A quadratic function in vertex form is f(x)=a(x-h)^2+k where (h,k) is the vertex.

We are given h=1,k=-3.

Let's plug that in:

f(x)=a(x-1)^2-3.

Now let's find a.

We will use the y-intercept (0,-2) to find a.

f(0)=a(0-1)^2-3

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-2=a(-1)^2-3

-2=a(1)-3

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So the function in vertex form is:

f(x)=(x-1)^2-3.

In standard form, we will have to multiply and combine any like terms.

Let's do that:

f(x)=(x-1)(x-1)-3

f(x)=x^2-x-x+1-3

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5 0
4 years ago
4/7 divided by 7/2?????
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Answer:

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4/7 ÷7/2

Copy dot flip

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