SOLUTION: Any help you can give me on this will be greatly appreciated.
Find the equation of the line that goes through the following set of points.
(-4,10) (2,6)
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Question 97147: Any help you can give me on this will be greatly appreciated.
Find the equation of the line that goes through the following set of points.
(-4,10) (2,6)
Found 2 solutions by checkley71, stanbon:
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
Y=mX+b WHERE (m)=SLOPE & (b)= Y INTERCEPT
SLOPE=(6-10)/(2+4)=-4/6=-2/3
NOW SUBSTITUTE ONE SET OF X,Y VALUES & SOLVE FOR (b)
10=-2/3*-4+b
10=8/3+b
b=10-8/3
b=(30-8)/3
b=22/3
Y=-2X/3+22/3 IS THE LINE FORMULA THROUGH THESE TWO POINTS.
(graph 300x200 pixels, x from -6 to 15, y from -10 to 10, y = -2x/3 +22/3).
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Find the equation of the line that goes through the following set of points.
(-4,10) (2,6)
------------
Line equation: y=mx+b; need to find m and b
-----------
m = [10-6]/[-4-2] = 4/-6 = -2/3
-----------
Substitute a point and m into the equation form to solve for b:
10=(-2/3)(-4)+b
10 = 8/3 + b
30/3 - 8/3 = b
b = 22/3
=============
EQUATION:
y = (-2/3)x + 22/3
==================
Cheers,
Stan H.
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