Question

Which equation below represents a horizontal line?

Answer 1

Hello : 
answer A) y = 4 because the slope = 0

Answer 2

Answer:A) y = 4

Step-by-step explanation:

The slope of any horizontal line is zero, 0 .The equation  of any horizontal line is of the form  = b, where  b is the y-coordinate of the y-intercept .

Among all the options given The equation y=4 represent  a horizontal line .

The equations y=x-0 ,y=x+0 represent the same line y=x and are not horizontal lines. x=4 is a vertical line.

Option A y=4 represent a horizontal line.