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3 years ago

Find the vertex, focus, and directrix of the parabola whose equation is given below. y-7=1/8(x-2)^2

Mathematics

1 answer:

VLD [36.1K]3 years ago

7 0

Answer:

Step-by-step explanation:

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4 years ago

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Complete the point slope equation of the line through (-8,-8) &' (-7,9) y-9=

hram777 [196]

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&&(~ -8 &,& -8~) 
% (c,d)
&&(~ -7 &,& 9~)
\end{array}
\\\\\\
% slope = m
slope = m\implies 
\cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{9-(-8)}{-7-(-8)}\implies \cfrac{9+8}{-7+8}
\\\\\\
\cfrac{17}{1}\implies 17
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y- y_2= m(x- x_2)}\implies y-9=17[x-(-7)]
\\\\\\
y-9=17(x+7)$

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4 years ago

What is the remainder when P(x) is divided by (x + 5)?

Citrus2011 [14]

Answer:

=3. The remainder of given polynomial is 3.

Let us take polynomial f(x) as dividend and linear expression as divisor.

The linear expression should be in the form of x-a.

Then, the remainder value of polynomial will become f(a).

So, substitute the c value in the polynomial expression and evaluate to get the remainder value.

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3 years ago

Find f(7) when f(x)=−5x+2.

VARVARA [1.3K]

Answer:

-33

Step-by-step explanation:

Plug it in;

f(7)= -5(7)+2

-5(7)= -35+2= -33

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3 years ago

Find the measure of the angle indicated

erik [133]

Answer:

$\angle 7=151\textdegree$

Step-by-step explanation:

Notice that ∠7 is the vertical angle to 151°.

Vertical angles have the same measure.

So, ∠7 is <em>also</em> 151°.

Our answer is 151°.

And we're done!

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3 years ago

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Find the​ vertex, focus, and directrix of the parabola whose equation is given below. y-7=1/8(x-2)^2

Find the vertex, focus, and directrix of the parabola whose equation is given below. y-7=1/8(x-2)^2