Question

Write the equation of the line that contains the
points (4, -7) and (1,5).

Answer 1

y=-4x+9

Explanation:

y=-4x+9

m=y2-y1/x2-x1

m= 5-(-7)/1-4

m=12/-3=-4

y=-7 m=-4 x=4 find b

y=mx+b

-7=4*4 +b

b=-7+16 = 9