How do you write the equation of the horizontal line passing through the point (3,15)?

1 Answer
EZ as pi
Jul 23, 2016

#y = 15#

Explanation:

Horizontal lines have the equation #y = ....#

As the slope is 0, there is no #x#-term and the #y#-value stays the same, regardless what value of x is chosen.

From the given point #(3,15)# we see that the #y#-value is 15.

The equation is therefore.
#y = 15#

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