SOLUTION: Write the equation of a line that goes through the points (-1,-5) and (4,10)

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Question 1031323: Write the equation of a line that goes through the points (-1,-5) and (4,10)
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
hi there,
Gradient = y2 - y1/x2 - x1
Gradient =10 -(-5)/4 -(-1)
gradient = 10 + 5/4 + 1
Gradient = 15/5
Gradient = 3
Using line equation:-
y - b = m(x - a)
m = 3; (4,10) = (a,b)
y - 10 = 3(x - 4)
y - 10 = 3x - 12
y = 3x - 12 + 10
y = 3x - 2
Hope this helps:-)