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3 years ago

What is the equation of the quadratic graph with a focus of (5, 6) and a directrix of y = 2?

1 answer:

5 0

For the answer to the question on what is the equation of the quadratic graph with a focus of (5, 6) and a directrix of y = 2?
the vertex = (5,4)
p = 2 
4*2(y-4) = (x-5)^2 
y = (1/8)(x-5)^2 + 4

I hope my answer helped. Have a nice day!

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Write parametric equations of the line 2x-y=3

dangina [55]

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4 years ago

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Find the number to add to x^2-18x

pentagon [3]

Answer:

A. add 81; $(x-9)^2$

Step-by-step explanation:

The perfect square formula

$(a-b)^2=a^2-2ab+b^2$

Rewrite expression $x^2-18x$ as follows:

$x^2-2\cdot 9\cdot x$

So, to form a perfect square, $+9^2$ is missed.

When we add $9^2=81,$ we will get

$x^2-2\cdot 9\cdot x+9^2=(x-9)^2$

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Answer:

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Step-by-step explanation:

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3 years ago

What fraction is equivalent to 5/9

Mama L [17]

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