SOLUTION: Find the equation of a line that has point (-1, 2) and (2, -3). find slope, x and y intercept

Algebra ->  Graphs -> SOLUTION: Find the equation of a line that has point (-1, 2) and (2, -3). find slope, x and y intercept       Log On


   

Question 302251: Find the equation of a line that has point (-1, 2) and (2, -3). find slope, x and y intercept
Answer by london maths tutor(243) About Me  (Show Source):
You can put this solution on YOUR website!
Gradient of the slope = %28-3-2%29%2F%282-%28-1%29%29 = -5/3
Sub (-1,2) into Y = (-5/3)*X + C :
2 = (-5/3)*(-1) + C
2 = 5/3 + C
C = 2 - 5/3
C = 1/3
Therefore, Y+=+%28-5%2F3%29+X+%2B+%281%2F3%29
=3Y+=+-5+X+%2B+1