P:
N:
L:
M:
Explain what you need to find the equation for each problem.

Answer:
P: y=-4x
N: y=x-1
L: y=4
M: y=-2x+4
Step-by-step explanation:
p: y=-4x
because the line intercepts only x
L: y=4
because the line intercepts only y
N: y=x-1
(0,-1),(1,0)
(x1,y1),(x2,y2)
M: y=-2x+4
(0,4),(2,0)
(x1,y1),(x2,y2)
eqn of aline y2-y1/x2-x1