Answer:
y=4
Explanation:
I use the slope formula
y2-y1/x2-x1
4-4=0
/
-18-(-7)=11
=0
Finding the y-intercpt
I use (-7,4). Since you know the slope-intercpet form which is y=mx+b
y=mx+b
4=0(-7)+b
4=0+b ( subtract zero on both sides)
4=b
Thus, the equation of the line is y=4.