Functions and Slope

Write an equation for the table in slope-intercept form.

Which of the following could be the graph of the equation y=-2x?

• A

• B

• C

• D

Kayla thinks that the slope of a vertical line is undefined, while Joshua argues that the slope of a vertical line is zero. Who is correct?

• Kayla

• Joshua

Find the rate of change shown in the table

• -3

• -6

• 1/6

• 12

A line has a slope of zero. Which of the following points could this line pass through?

• (12, 9) and (12, 6)

• (3, -6) and (7, -6)

• (1,4) and (2, 5)

• (-9, 7) and (9, -7)

Which of the following is true about the graph of the equation y=-5x+10?

• The graph would increase from left to right.

• The graph would pass through the origin.

• The graph would have a positive y-intercept.

• The graph would have a slope of 10.

Which of the following does not represent a function?

• A

• B

• C

• D

Write an equation for the graph in slope-intercept form.

Andre manages a company that currently has 35 employees and is gaining 4 new employees each month. Write an equation to represent the relationship between y, the total number of employees, and x, the number of months it has been.

Which of the following sets of ordered pairs represents a functions?

• [ (0,3), (2,6), (7,2), (0,-3)]

• [ (6,1), (6,2), (6,3), (6,4)]

• [(-12,0), (-13,-1), (-14,-2), (-14, -3)]

• [(1,6), (2,6), (3,6), (4,6) ]