Answer:
Step-by-step explanation:
x1=7 ,y1=-4 ,x2=7 ,y2=0
By using Two-points form:
[tex]\frac{y-y_{1}}{y_{2}-y_{1} } =\frac{x-x_{1} }{x_{2}-x_{1} }[/tex]
Substitute values:
[tex]\frac{y+4}{0+4} =\frac{x-7}{7-7}[/tex]
[tex]\frac{y+4}{4} =\frac{x-7}{0}[/tex]
4(x-7)=0(y+4)
4(x-7)=0
x-7=0
x-7=0 is the line parallel to y-axis at point x=7.
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