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miskamm [114]
3 years ago
6

I need help quick!! 30 points!!!

Mathematics
1 answer:
charle [14.2K]3 years ago
5 0

Answer:

hi a or d hope that helps!

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Write the equation of the parabola in vertex form vertex (0,0) passes through (2,1)
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Answer:

f(x)=\frac{1}{4}x^2

Step-by-step explanation:

Recall the vertex form of a quadratic equation:

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

Where (h,k) is the vertex.

We are told that the vertex is (0,0). Therefore:

f(x)=a(x-0)^2+(0)

Simplify:

f(x)=ax^2

So, to finish the equation, we need to find a.

We know that a point is (2,1). Thus, substitute 1 for f(x) and 2 for x:

1=a(2)^2

Square:

1=4a

Divide both sides by 4:

a=\frac{1}{4}

So, our a value is 1/4.

And we can thus complete our equation:

f(x)=\frac{1}{4}x^2

And we are done :)

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