SOLUTION: 30.Write the equation of a line that passes through (-1, 2) and (3, 5). Write your answer in slope-intercept form.

Algebra ->  Graphs -> SOLUTION: 30.Write the equation of a line that passes through (-1, 2) and (3, 5). Write your answer in slope-intercept form.      Log On


   



Question 771688: 30.Write the equation of a line that passes through (-1, 2) and (3, 5). Write your answer in slope-intercept form.
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Slope/ Gradient equation:
y2 - y1/x2 - x1
5 - 2/3 - (-1))
= 3/4
Using equation:
y - b = m(x - a) with coords(3,5)
y - 5 = 3/4(x - 3)
y - 5 = 3/4x - 9/4
y = 3/4x - 9/4 + 20/4 (5 = 20/4)
y = 3/4x + 11/4
OR
Multiply thro' by 4
4y = 3x + 11
Hope this helps.
:-)