How do you find equations of the lines passing through (1,3 ) parallel to the x-axis?

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Answer 1 · 2016-06-04T03:13:43

#y = 3#

Lines parallel to the #x#-axis have its slope equal to 0

#=> y = mx + b#

#=> y = 0x + b#

This means that any value of #x# will yield the same value for #y#

Substituting the coordinates of the point that the line passes through

#3 = 0(1) + b#
#b = 3#

#=> y = 3#