4 years ago

A contractor is building a wheelchair ramp for a doorway. To meet ADA

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1 answer:

Bond [772]4 years ago

5 0

Answer:

pls show a picuture

Step-by-step explanation:

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Find an equation of the line passing through the pair of points. Write the equation in the form Ax+By=C

Igoryamba

Answer:

Step-by-step explanation:

The standard form of an equation of a line:

$Ax+By=C$

The point-slope form of an equation of a line:

$y-y_1=m(x-x_1)$

m - slope

(x₁, y₁) - point

We have the points (-7, 2) and (-8, -9). Substitute:

$m=\dfrac{-9-2}{-8-(-7)}=\dfrac{-11}{-1}=11$

$y-2=11(x-(-7))\\\\y-2=11(x+7)$

Convert to the standard form:

$y-2=11(x+7)$ <em>use the distributive property </em>a(b + c) = ab + ac

$y-2=11x+77$ <em>add 2 to both sides</em>

$y=11x+79$ <em>subtract 11x from both sides</em>

$-11x+y=79$ <em>change the signs</em>

$11x-y=-79$

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