How do you graph the line #y=2x+5#?

1 Answer
Jul 27, 2016

Answer:

Using some arbitrary values for #x# compute corresponding #y# values; plot the resulting coordinate pairs; and draw a line through those points.

Explanation:

You will need at least 2 sets of coordinates since this is a linear equation. (3 or more would allow you to check your results).

As an example I used
#color(white)("XXX")x in {-2,0,+2}#
to get the sample coordinate pairs:
#color(white)("XXX")(-2,1)#
#color(white)("XXX")(0,5)# and
#color(white)("XXX")(+2,9)#

Here is the result:
enter image source here