Slope, Proportional and Non Proportional Relationships

Which equation represents a non-proportional linear equation?

• y = mx

• y/x = m

• y = mx+b

• All of them

In the equation y= mx+b, what is m and b represents?

• m= slope, b = x-intercept

• m= slope, b= y-intercept

• m= y-intercept, b= slope

• m= x-intercept, b= slope

What is the unit rate in this proportional relationship?

• 60 miles/1 hour

• 120 miles/ 2 hours

• 1 mile/ 1 hour

What is the constant of proportionality (in miles per hour) based on the table?

• 45

• 90

• 135

• 2

Write an equation for this relationship.

• y=1/5x

• y=1/2x

• y=2x

• y=5x

Find the slope of the line.

• -2

• 2

• -1

• 1

Find the slope:

• 3/4

• 4/3

• -3/4

• -4/3

Which statement best describes the relationship between x and y in the table?

• Proportional

• Not Proportional

Which graph is non-proportional?

• A

• B

• C

• D

Which color car represents a proportional relationship?

• Red car

• White car

• Both cars

• None of the cars