SOLUTION: I need to determine the value of 'r' so that the pair of points has the indicated slope for the following equation (-4,8) and (r,6), m=2/3. I was able to get this far: Y2-Y1/X2-X

Question 173930: I need to determine the value of 'r' so that the pair of points has the indicated slope for the following equation (-4,8) and (r,6), m=2/3. I was able to get this far:
Y2-Y1/X2-X1 = 6-8/r-(-4) = 2/3 now I am stuck. Please help.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
You are spot on so far.

Now, just like any other proportion, cross multiply, collect terms and solve for r:

RELATED QUESTIONS
so i have this test tomorrow and i do not understand how to determine what r... (answered by rfer,MathTherapy)

Determine the value of "r" so the line that passes through each pair of points has the... (answered by ankor@dixie-net.com)

Help me please The question asks Determine the slope of the line passing through each (answered by elima)

Determine the value of r so the line that passes through each pair of points has the... (answered by Cromlix)

determine the value of r so that a line through the points with the coordinates (r,4) and (answered by ewatrrr,spikendb)

Find the value of r so the line that passes through each pair of points has the given... (answered by MathLover1)

Find the value of "r" so the line that passes through each pair of points has the given... (answered by stanbon,edjones)

Fine the value of r so the line that passes through each pair of points has the given... (answered by funmath)

Find the value of r so the line that passes through each pair of points has the given... (answered by ewatrrr)