Proportional and Linear Functions

What is the rate of change between (1, 3) and (4, 18)?​ ​ (a)  

• 5

• 3

• 7

• 12

• Yes

• No

Can this equation be written in the form y=mx+b?

• Yes

• No

Is the relationship between x and y in y = 2x - 3 linear, nonlinear, proportional, or nonproportional?

• Linear and proportional

• Linear and nonproportional

• Nonlinear and proportional

• Nonlinear and nonproportional

Is the graph linear, nonlinear, proportional, or nonproportional?

• Linear and proportional

• Linear and nonproportional

• Nonlinear and proportional

• Nonlinear and nonproportional

Is this equation linear or non linear?

• Linear

• Nonlinear

Is the graph linear, nonlinear, proportional, or nonproportional?

• Linear and proportional

• Linear and nonproportional

• Nonlinear and proportional

• Nonlinear and nonproportional

Does the table represent a proportional relationship?

• Yes.

• No.

Which statement represents a proportional situation?

• Gabriel drove 85 miles per day for four days.

• Gabriel drove 60 miles on day one. He then drove 85 miles per day for four days.

• Gabriel drove 60 miles on day one and 85 miles on day two.

• Gabriel drove 85 miles on day one and day two. He then drove 60 miles per day for four days.

Is the graph proportional or nonproportional?

• proportional

• non proportional