Rate of Change for Real-World Linear Functions

Is the representation linear or non-linear? 

• Linear
• Non-Linear

Which of the following functions is a linear function?

Which variable in the equation represents the slope?

• y

• m

• x

• b

Which variable in the equation represents the y-intercept?

• y

• m

• x

• b

Where is the y-intercept?

• 3/4

• -3/4

• 4

• 3

Choose the equation that is graphed in the picture.

• y = 2x - 2

• y = -2x - 2

• y = -2x + 2

• y = 1/2x - 2

Choose the equation that is graphed in the picture.

• y = 2/3x + 3

• y = 3/2x + 3

• y = -3/2x + 3

• y = -2/3x - 3

Which equation represents the graph?

• y = 3x + 15
• y = 1/5 x + 15
• y = -1/5 x + 3
• y = 15x + 3

What is the y-intercept in the equation y= -2x + 5

• -2
• 3
• 5
• Cannot be Determined

A line has an equation of y = - 5x - 10. What is the slope of the line?

• -5

• -10

• 5x

• 10