SOLUTION: For each of the following, write the equation of the line determined by the given pair of points a. (3,-7) and (3, -27) b. (-4,5) and (-8,-7)

Algebra ->  Points-lines-and-rays -> SOLUTION: For each of the following, write the equation of the line determined by the given pair of points a. (3,-7) and (3, -27) b. (-4,5) and (-8,-7)       Log On


   

Question 366691: For each of the following, write the equation of the line determined by the given pair of points
a. (3,-7) and (3, -27)
b. (-4,5) and (-8,-7)
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
a. The line is a vertical line (same x-coordinates). The equation is x = 3.
b. %285--7%29%2F%28-4--8%29+=+%28y-5%29%2F%28x--4%29,
3+=+%28y-5%29%2F%28x%2B4%29,
3x%2B12+=+y-5,
y+=+3x%2B17.