Is the line for the equation y = - 8 horizontal or vertical? What is the slope of this line? Select the best answer.

The line is horizontal. The slope is undefined.

The line is horizontal. The slope is 0.

The line is vertical. The slope is undefined.

The line is vertical. The slope is 0.

Question

Is the line for the equation y = - 8 horizontal or vertical? What is the slope of this line? Select the best answer.

 The line is horizontal. The slope is undefined.

 The line is horizontal. The slope is 0.

 The line is vertical. The slope is undefined.

 The line is vertical. The slope is 0.

anonymous · Answer

y = -8 means that for every x value, y is - 8. That means that it is a horizontal line, because the slope never changes. Also, because this line is horizontal, the slope is 0. If the equation were x = -8, it would be a vertical line, and the slope would be undefined.