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(2,2), (5,y); slope=2

 Oct 24, 2016
 #1
avatar+30 
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slope = (y1-y2)/(x1-x2)

2 = (2-y)/(2-5)

2 = (2-y)/(-3)

-6 = 2-y

-8 = -y

8 = y

 Oct 24, 2016
 #2
avatar+14929 
0

(2,2), (5,y); slope=2

 

\(m=\frac{y2-y1}{x2-x1}\)

 

\(2=\frac{y-2}{5-2}\)

 

\(y= 2\times{(5-2)}+2\)

 

\({\color{blue}y=8}\)      laugh  !

 Oct 24, 2016

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