Question

a straight line passes through the points (2,4) (-1,-5) find its equation

Answer 1

Answer:

Slope of given line =

5−2

−2−(−4)

=

3

2

Equation ⇒y−2=

3

2

(x+4)⇒3y−6=2x+8⇒2x−3y+14=0

Answer 2

x=2 and y=4,

x+y=6

y-x=2

Also,

x=-1 and y=-5

x+y=-6

x-y=4