3 years ago

What's an equation in slope intercept that passes through (-7,-4) and is perpendicular to y=1/2x+9

Mathematics

2 answers:

Ymorist [56]3 years ago

5 0

Y+2x+10 hope that helps

Xelga [282]3 years ago

5 0

Y=-2x+10 hope you like this

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Hope this helps out dude!

Step-by-step explanation:

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Create the equation of a quadratic function with a vertex of (5,6) and a y-intercept of -69

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If the y-intercept is at -69, meaning the point is (0, -69), thus x = 0, y = -69

$\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
\end{array}
\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------\\\\
vertex~(5,6)\quad 
\begin{cases}
x=5\\
y=6
\end{cases}\implies y=a(x-5)^2+6
\\\\\\
\textit{we also know that }
\begin{cases}
x=0\\
y=-69
\end{cases}\implies -69=a(0-5)^2+6
\\\\\\
-75=25a\implies \cfrac{-75}{25}=a\implies a=-3
\\\\\\
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2 years ago

Roger makes $42,000 a year. What is the maximum amount he can afford for a mortgage each month?

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