write the equation of the line passing through each pair of points. express the equation in the form Ax + By= C
1. (-1,2) and (4,7)
2. (5, -8) and (0,0)
pasagot ASAP
auto report kapag sumagot lang dahil sa points hehe:))
1. (-1,2) and (4,7)
2. (5, -8) and (0,0)
pasagot ASAP
auto report kapag sumagot lang dahil sa points hehe:))
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Answer:
1. (-1,2) and (4,7)
(a,b)=(-1,2)
(c,d)=(4,7)
now
equation of a line is:
(y-b)=(c-a)/(d-b)*(x-a)
(y-2)=(4+1)/(7-2)*(x+1)
(y-2)=5/5*(x+1)
(y-2)=x+1
-2-1=x-y
x-y=-3 is a required equation.
2:
2. (5, -8) and (0,0)
(a,b)=(5,-8)
(c,d)=(0,0)
now
equation of a line is:
(y-b)=(c-a)/(d-b)*(x-a)
(y+8)=(0-5)/(0+8)*(x-5)
doing crisscrossed multiplication
8(y+8)=5(x-5)
8y+64=5x-25
64+25=5x-8y
5x-8y=89 is a required equation.