SOLUTION: Find an equation for the line passing through the points(8,3) and (-2,1).Express your answer in standard form.

Algebra ->  Graphs -> SOLUTION: Find an equation for the line passing through the points(8,3) and (-2,1).Express your answer in standard form.      Log On


   



Question 131938: Find an equation for the line passing through the points(8,3) and
(-2,1).Express your answer in standard form.

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
(8,3)(-2,1) FIRST YOU NEED TO FIND THE SLOPE (Y2-Y1)/(X2-X1)
(1-3)/(-2-8)
-2/-10
1/5 OR .2 FOR THE SLOPE.
NOW USING THE LINE EQUATION [Y=mX+b] REPLACE X & Y WITH ONWE SET OF COORDINATES.
3=.2*8+b
3=1.6+b
b=3-1.6
b=1.4 THE Y INTERCEPT.
Y=.2X+1.4 STANDARD LINE FORMULA FOR THIS LINE.