SOLUTION: Write the equation of the line passing thru points (-7,2) and (5,8) in slope intercept form. what I have so far: m=8-2/5-(-7)= 6/-12 = m= 1/2

Question 199216: Write the equation of the line passing thru points (-7,2) and (5,8) in slope intercept form. what I have so far: m=8-2/5-(-7)= 6/-12 = m= 1/2
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
(-7,2) and (5,8)
m=8-2/5-(-7)= 6/-12 = m= 1/2 good start.
Y=mX+b is the line equation where m=slop & b=the y intercept.
Now select one set of x,y values & solve for b.
2=-1/2*7+b
2=-3.5+b
b=2+3.5
b=5.5 ans. for the y intercept.
Y=X/2+5.5
Proof: (graph 300x200 pixels, x from -8 to 6, y from -10 to 10, x/2 +5.5).

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