Question

What is the equation of the horizontal line that passes through the point (-2, 4) ?
A. x=-2
B. y=-2
C. x=4
D.y=4

Answer 1

is it y=4

Answer 2

A horizontlal line is represented by " y = a constant ".
So look at your points...what is y ?
y = 4....that is your horizontal line.
Now if you were looking for a vertical line, that is x = a constant and it would be x = -2.

so yes...it is y = 4