Find an equation of the line described below. Write the equation in​ slope-inter

slaggingV 2021-09-20 Answered
Find an equation of the line described below. Write the equation in​ slope-intercept form​ (solved for​ y), when possible.
Through
​(8​,4​) and (4​,8​)
What is the equation of the​ line?
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Expert Answer

Elberte
Answered 2021-09-21 Author has 95 answers
Step 1
Given, the line passing through (8​,4​) and (4​,8​)
Step 2
Suppose
(x1,y1)=(8,4)
(x2,y2)=(4,8)
The slope is
m=y2y1x2x1
=8448
=44
=-1
The equation of the line passing through (x1,y1)(x1,y2) with slope m is
yy1=m(xx1)
y4=1(x8)
y4=x+8
y=x+8+4
y=x+12
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