SOLUTION: y=-x-2x. how do i slove this problem? how do i graph it?
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Question 81461This question is from textbook
: y=-x-2x. how do i slove this problem? how do i graph it?
This question is from textbook
Answer by checkley75(3666) (Show Source): You can put this solution on YOUR website!
Y=-X-2X YOU COMBINE THE X TERMS THUS:
Y=-3X NOW YOU SET X=0 & SOLVE FOR Y THUS
Y=-3*0
Y=0 THIS GIVES YOU ONE POINT (0,0)
NOW SET X=ANY OTGHER VALUE LIKE 5 AND SOLVE FOR Y THUS
Y=-3*5
Y=-15 THIS GIVES YOU A SECOND SET OF POINTS (5,-15).
NOW PLOT THESE 2 SETS OF POINTS & DRAW A LINE BETWEEN THEM THUS:
(graph 300x200 pixels, x from -6 to 6, y from -20 to 10, y = -3x).
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