Which of the following is not true about the given equation: x = 4

it is the equation of a horizontal line.

it's slope is undefined.

the point (4, 7) lies on the line.

it is perpendicular to y = 6.

A. It is the equation of a horizontal line.

Step-by-step explanation:

The line, whose equation is x = 4 , is vertical on a certesian plane and not horizontal.

Its slope is udefined because any number devided by zero give undefined result.

The point (4, 7) lies on the line.

It is perpendicular to y = 6.

The red line represents the line whose equation is x = 4

The blue line represents the line whose equation is y = 6

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get