Proportional and Non Proportional Graphs

Find the slope:

• 3/4

• 4/3

• -3/4

• -4/3

Is the graph proportional or non proportional?

• proportional

• non proportional

Write an equation for this relationship.

• y=1/5x

• y=1/2x

• y=2x

• y=5x

Is this function linear or nonlinear?

• Linear

• Nonlinear

Is the table linear or nonlinear?

• Linear

• Nonlinear

Determine the slope and y-intercept from the following equation:   y = 3/2x + 3

• slope: 5  

  y-intercept:  3

• slope: 3/2  

  y-intercept:  3

• slope:  4  

  y-intercept:  3/2

• slope: 1/5  

  y-intercept:  3

Is the graph proportional or nonproportional?

• proportional

• non proportional

• Proportional, the rate of change is 5/3
• Non Proportional
• Proportional, the rate of change is 3/5
• Proportional, you add 2

Which of the following sets of ordered pairs represents a proportional relationship?

• <(0, 5)(1, 10)(2, 15) (3, 20)>

• <(3, 15)(5, 25)(8, 40) (12, 60)>

• <(4, 6)(8, 6)(2, 6)(5, 6)>

• <(3, 6)(4, 8)(5, 10) (3, 12)>

Which best describes the equation?
y = 75x

• Proportional

• Nonproportional