SOLUTION: find the gradient of the line that goes through (-3,-5) and (-1,-7). and hence, find the equation of this traight line.

Question 766971: find the gradient of the line that goes through (-3,-5) and (-1,-7). and hence, find the equation of this traight line.
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Using equation: y2 - y1/x2 - x1
-7 -(-5)/-1 - (-3)
-2/2 = -1 (gradient)
Using equation:
y - b = m(x - a)
a = -5 b = -3 m = -1
y - (-3)= -1(x - (-5))
y + 3 = -1(x + 5)
y + 3 = -x - 5
y = -x - 5 - 3
y = -x - 8
Hope this helps.
:-)
RELATED QUESTIONS
Find the equation of a line that goes through points (-3, -5) and (-1,... (answered by ReadingBoosters)

Find the equation of a line that goes through points (-3, -5) and (-1, -2) (answered by Boreal,solver91311)

I NEED HELP. PLEASE HELP ME ASAP. THANKS BEFORE :) 1) The straight line with equation... (answered by richard1234)

Find the equation of the line that has a gradient of 5 and passes through the point... (answered by Fombitz)

Find the equation of the line that goes through points ( 1 , 6 ) and ( 3 , 10... (answered by checkley79)

Find the equation of a line that passes through the point (-2,-3) and has a gradient of... (answered by ewatrrr)

what is the equation of a line that has a gradient of -2 and passes through the line (1,... (answered by Theo,MathTherapy,ikleyn)

Find the equation of the straight line with gradient -2/3 and passing through (-3,5). If... (answered by stanbon)

Find the equation of a line that goes through the points (-3, -5) and (-1, -2). Please... (answered by tutor_paul)