Linearity Unit Review

Match the following

• Non-Linear

• Constant rate of change (straight line on a graph)

• Linear

• Relationship between the y and x

• Proportional Relationship

• Creates curves or points on a graph

Organize these options into the right categories

Groups:

(a) Proportional Relationship

,

(b) Non-Proportional Relationship

• y = 4x - 8

• 
• 
• 
• y = 7x

• 

What is the constant of variation?

What is the constant of variation?

A function that has a constant rate of change

• Linear

• Exponential

• Quadratic

What is a linear function?

• Has a constant rate of change (its graph is a straight line)

• Does not have a constant rate of change (its graph is not a straight line

• Has a constant rate of change (its graph is not a straight line)

• Does not have a constant rate of change (its graph is a straight line)

The function g is a linear function with g (0) = u and

g (2) = 3u , where u is a positive constant. Which of the following defines g (x)?

• g (x) = ux

• g (x) = u + x

• g (x) = ux + u

• g (x) = 2ux + u

The function g is a linear function with g (0) = u and

g (2) = 3u , where u is a positive constant. Which of the following defines g (x)?

• g (x) = ux

• g (x) = u + x

• g (x) = ux + u

• g (x) = 2ux + u

In the equation y=56x what is the constant of variation?

• There isn't one

• 5

• 6

• 56

In the equation y=3x what is the constant of variation?

• 1

• 3

• 1/3

• 2/3