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Where does the graph of y=-3x-18 intersect the x-axis
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1 vote
Where does the graph of y=-3x-18 intersect the x-axis

User Madan V
by
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2 Answers

4 votes
x = - 6 -y/3
I think...
User Victorf
by
6.6k points
3 votes
a line crosses the x axis when y = 0
0 = -3x - 18

Add 3x to both sides
3x = -18

Divide both sides by 3
x = -6

Graph intersects x axis at point
(-6, 0)
User Dcbaker
by
6.6k points
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