Respuesta :

Answer:

4. a) y=1x+2

   b) y=0x

   c) y=0x

   d) y=1x+0

Step-by-step explanation:

The formula for slope intercept form is y=mx+b and the formula for slope is rise/run.

b= y intercept and m=slope.

4.b and 4.c do not cross the y intercept.