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Find the x- and y-intercept of the line with equation -3x+9y=18

1 Answer

5 votes
Plug in “0” for y, rearrange and solve.
Remember when you want to find the intercept of a variable, you plug in 0 for the opposite variable. Same goes for finding the x intercept.

When you want to find…
Y intercept: X=0
X intercept: Y=0

Answers:
X int= -6 or (-6,0)
Y int=2 or (0,2)
User Jschildgen
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