SOLUTION: The lines passing through points (1, 1), (2, 3) and (3, 7), (2, 5) on a grid would be _______ lines

Algebra ->  Graphs -> SOLUTION: The lines passing through points (1, 1), (2, 3) and (3, 7), (2, 5) on a grid would be _______ lines      Log On


   

Question 362053: The lines passing through points (1, 1), (2, 3) and (3, 7), (2, 5) on a grid would be _______ lines
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Using the point-slope formula, 

m+=%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29

(1, 1), (2, 3)



m+=%28y%5B2%5D+-+y%5B1%5D%29%2F%28x%5B2%5D+-+x%5B1%5D%29

(3, 7), (2, 5)

would find both of these lines have the same slope of 2 and therefore are parallel