3 years ago

Find the slope of the line through (2,-2) and 5,-1)

Mathematics

1 answer:

Kitty [74]3 years ago

4 0

Answer:

$m=\frac{1}{3}$

Step-by-step explanation:

$\mathrm{Slope}=\frac{y_2-y_1}{x_2-x_1}\\\\\left(x_1,\:y_1\right)=\left(2,\:-2\right),\:\\\left(x_2,\:y_2\right)=\left(5,\:-1\right)\\\\m=\frac{-1-\left(-2\right)}{5-2}\\\\m = \frac{-1+2}{3}\\ \\Simplify\\m = \frac{1}{3}$

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Read 3 more answers

Y=3x

Mariulka [41]

So you subtitute y=3x into
2x+y=15
so
2x+(3x)=15
add like terms
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divide both sides by 5
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