The equation of the horizontal line passing through the point (4,-7) is
y-7=0
y+7=0
y-4=0
y+4=0
Equation of horizontal line passing though (x1,y1) is y=y1
∴ Required equation is y=-7
⇒ y+7=0
Find the equation of a line whose x intercept is 5 and passing through the point (4, -7).