Draw the graphs of `y=x` and `y=-x` in the same graph. Also, find the coordinates of the point where the two lines intersect.

Explanation

Solution:
`y=x`
`x=0`; `y=0`
`x=1`; `y=1`
And,
`y=-x`
`x=0`; `y=0`
`x=1`; `y=-1`
Point of intersection is `(0,0)`.