SOLUTION: Do the points in each set lie on the same line? Explain your awnser. P(4,2),Q(-3,2),R(2,5)

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Do the points in each set lie on the same line? Explain your awnser. P(4,2),Q(-3,2),R(2,5)      Log On


   

Question 124011This question is from textbook Prentice hall mathematics algebra 1
: Do the points in each set lie on the same line? Explain your awnser.

P(4,2),Q(-3,2),R(2,5) This question is from textbook Prentice hall mathematics algebra 1

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
FOR ALL THESE POINTS TO BE ON THE SAME LINE THEY MUST ALL HAVE THE SAME SLOPE BETWEEN THEM.
(2-2)/(-3-4)=0/-7=0
(5-2)/(2-4)=3/-2=-1.5
(5-2)/2+3)=3/5=.6
THIS SAYS THAT THESE 3 POINTS ARE NOT ON THE SAME LINE.