Question 1

Find the slope of the line $$y = -9.$$

Accepted Answer

$$0$$

Question 2

Which of the following equations represents a horizontal line?

Accepted Answer

$$y = 5$$

Question 3

A horizontal road is being constructed at an elevation of $$y = -9$$ meters. What is the slope of this road?

Accepted Answer

$$0$$

Question 4

Which of the following best describes the graph of $$y = -9$$?

Accepted Answer

A horizontal line crossing the $$y-$$axis at $$-9$$

Question 5

If a line has the equation $$y = c$$ where $$c is a $$constant, what is always true about its slope?

Accepted Answer

The slope is $$0$$

Question 6

Which of the following statements is true about the line $$y = -9$$?

Accepted Answer

It is parallel to the $$x-$$axis

Question 7

A biologist marks the water level in a tank at $$y = -9 cm. If $$the water level remains constant, what is the slope of the water level over time?

Accepted Answer

$$0$$

Question 8

Which of the following lines has the same slope as $$y = -9$$?

Accepted Answer

$$y = 4$$

Question 9

If a line is described by $$y = k$$ where $$k is $$any real number, what is the slope of the line?

Accepted Answer

$$0$$

Question 10

A horizontal fence is built at a height of $$y = -9$$ feet. What is the slope of the top of the fence?

Accepted Answer

$$0$$

Finding the Slope of a Horizontal Line

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