Algebra

Solve the system by graphing.
3x+y=6
3x-y=0

This is how far I got:
(First line): y=-3x+6
(Second line): y=3x

I'm not sure how to graph the second line. Is the y-intercept (0,0) and the two lines meet at (1,3)?

asked by Bee
  1. first of all do you have a graphing calculator?

    Well using my TI-83

    and keying in the equations I got

    (1,3) at the intersection of the 2 lines

    but for the y intercept it was aproximately

    (0,6)

    posted by ~christina~
  2. No, I don't have a graphing calculator. Thanks for your help.

    posted by Bee

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