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4 votes
What is the equation of the horizontal line through ( 1 , 9 ).

User Nathangrad
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1 Answer

3 votes
A horizontal line has the same y-coordinate for every point.
Since the line goes through (1, 9) which has y-coordinate 9, every point on the line has y-coordinate 9, no matter the x-coordinate.
The equation is
y = 9
User Amiregelz
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