Question

which ordered pairs are a solution to y=4x?

Answer 1

(0,0)
slope: 4 
y int: 0 

Answer 2

so options are (0,0) (1,3) and (2,8) ad (-1,4)

(x,y)
input to see if get true

(0,0)
0=4(0)
0=0
true

(1,3)
3=4(1)
3=4
false

(2,8)
8=4(2)
8=8
true

(-1,4)
4=4(-1)
4=-4
false


the points are (0,0) and (2,8)