How do you graph #y-x=0#?

1 Answer
Jan 17, 2017

Answer:

see explanation.

Explanation:

The equation #y-x=0# may be written as follows.

add x to both sides of the equation.

#ycancel(-x)cancel(+x)=0+x#

#rArry=x" is the equation"#

This tells us that the x and y coordinates are equal.

To graph, choose values of x

#x=-2toy=-2rArr(-2,-2)" is a point on graph"#

#x=0toy=0rArr(0,0)" is a point on graph"#

#x=3toy=3rArr(3,3)" is also a point on graph"#

Plot these 3 coordinate points and draw a straight line through them. Thus you have the graph of y - x = 0
graph{x [-10, 10, -5, 5]}