SOLUTION: I am working on this question and need help on it.. 1.Which of the following is the equation of a line with the points (9, 26)(27, 80) and a slope of 3? a.y=3x-53 b.y=3x+5

Algebra ->  Linear-equations -> SOLUTION: I am working on this question and need help on it.. 1.Which of the following is the equation of a line with the points (9, 26)(27, 80) and a slope of 3? a.y=3x-53 b.y=3x+5      Log On


   

Question 899865: I am working on this question and need help on it..

1.Which of the following is the equation of a line with the points (9, 26)(27, 80) and a slope of 3?
a.y=3x-53
b.y=3x+53-i picked
c.y=3x+1
d.y=3x-1
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi

 (27, 80)

 (9, 26) m = 54/18 = 3

***Using point-slope form, y+-+y%5B1%5D+=+m%28x+-+x%5B1%5D%29 P(9,26)

y-26 = 3(x-9)

 y = 2x - 27 + 26

 y = 3x -1