SOLUTION: Fine the value of r so the line that passes through each pair of points has the given slope. (-4,3), (r,5), m=1/4

Algebra ->  Linear-equations -> SOLUTION: Fine the value of r so the line that passes through each pair of points has the given slope. (-4,3), (r,5), m=1/4      Log On


   

Question 63105: Fine the value of r so the line that passes through each pair of points has the given slope.
(-4,3), (r,5), m=1/4
Answer by funmath(2933) About Me  (Show Source):
You can put this solution on YOUR website!
Fine the value of r so the line that passes through each pair of points has the given slope.
(-4,3), (r,5), m=1/4
The slope formula is highlight%28m=%28y2-y1%29%2F%28x2-x1%29%29
m=1/4, (x1,y1)=(-4,3) and (x2,y2)=(r,5)
1%2F4=%285-3%29%2F%28r-%28-4%29%29
1%2F4=2%2F%28r%2B4%29 Cross multiply.
1%2A%28r%2B4%29=2%284%29
r%2B4=8
r%2B4-4=8-4
highlight%28r=4%29
Happy Calculating!!!