Question

What is the equation for a line that passes through the points (-2,0) and (4,12).

A) y=-2x+4
B) y=2x+4
C) y=-2x-4
D) y=2x-4

What is the equation for a line that passes through the points (5,-1) and (-10,8).

A) y= -3/5x - 2
B) y= 3/5x +2
C) y=-3/5 +2
D) y=3/5x -2

Answer 1

12/6 =2 so m = 2
y =mx +5 4(12)
12 = 2(4) +b
-12 -b
B=-4

y=2x-4

Answer 2

1 is c