SOLUTION: Find the equation of the line having y-intercept (0,5) and x-intercept (4,0).

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Question 142412: Find the equation of the line having y-intercept (0,5) and x-intercept (4,0).

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
First we find the slope:
slope(m)=(y2-y1)/(x2-x1)
slope(m)=(0-5)/(4-0)
slope(m)=-5/4
now replace the x & y terms with one set of points & solve for the y intercept(b) in the line equation [Y+mX+b]
5=0*-5/4+b
5=b the y intercept.
Thus the line equation is:
y=-5x/4+5
+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+-5x%2F4+%2B5%29+ (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, -5x/4 +5).