SOLUTION: The equation of the line that goes through the points (-1,1) and (3,9) is y=2x+3. True or false?

Algebra ->  Linear-equations -> SOLUTION: The equation of the line that goes through the points (-1,1) and (3,9) is y=2x+3. True or false?      Log On


   

Question 835548: The equation of the line that goes through the points (-1,1) and (3,9) is y=2x+3. True or false?
Found 2 solutions by Alan3354, Fombitz:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Sub for x & y and find out.

Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the equation with the points.
y=2x%2B3
1=2%28-1%29%2B3
1=-2%2B3
1=1
True, so far so good.
y=2x%2B3
9=2%283%29%2B3
9=6%2B3
9=9
True.
So yes, the equation of the line that goes through those two points is y=2x%2B3