I dont get it help please

positive: (0, 0) (1, 1)

negative: (-1, 1) (0, 0)

zero: (5,5) (8,5)

undefined: (2, 1) (2, 4)

Step-by-step explanation:

positive: y=x

             0 = 0

             1 = 1

negative: y = -x

               1 = -(-1)

              0 = 0

zero:      y = 5

              5 = 5

undefined: x=2

                  2=2

y-1700=200(x+4)

step-by-step explanation:

200(x+4) is 200x + 800 she is saving 200 per week x is the weeks and the -1700 is. us that’s howmuch she already had