Question

How to graph y = x

Answer 1

plug in numbers for x
example: plug in 0 and you get y=0 (0,0)
plug in 1 and you get y==1 (1,1)

Answer 2

ohh ok thx jay

Answer 3

every value you put in for x will be the value of y...for example:
if x=7 then y=7 making your point (7,7)
the graph is literally an upward diagonal 45 degree line through a coordinate plane:

hope thats helpful! :)

Answer 4

a.k.a. the identity function: y is identical to x.