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Where does the graph of y = -3x - 18 intersect with the x axis?

Where does the graph of y = -3x - 18 intersect with the x axis?
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Where does the graph of y = -3x - 18 intersect with the x axis?

User Jai Pandya
by
8.4k points

1 Answer

4 votes
It crosses at x = -6.
-18 is your y intercept so you mark -18 at y.
-3x/1 is your slope, so you go left 3 cubes, up 1 cube until you cross the x axis.
User Zuko
by
8.8k points
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