SOLUTION: the question goes: has y-intercept 3 and slope -4 how do you do that?? the other question is:: contains (4,5) and (5,3) thanks you!! :]

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Question 131357: the question goes: has y-intercept 3 and slope -4
how do you do that??
the other question is:: contains (4,5) and (5,3)
thanks you!! :]
Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
Y=mX+b IS THIS LINE EQUATION WITH A SLOPE(m) OF -4 & A Y INTERCEPT(b) OF 3.
Y=-4X+3 (RED LINE)
--------------------------------
SLOPE=(3-5)/(5-4)=-2/1=-2
5=-2*4+b
5=-8+b
b=5+8
b=13 ANSWER FOR THE Y INTERCEPT.
THUS THIS LINE EQUATION IS:
Y=-2X+13 (GREEN LINE).
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+30%2C+-4x+%2B3%2C+-2x+%2B13%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 30, of TWO functions -4x +3 and -2x +13).