Quadratic and Linear Models

Pick a function that best models the following situation: A speed of a rollercoaster from start to finish. 

• Exponential

• Linear

• Quadratic

• Neither

Given the table, determine the equation of the function.

• y = (x+3)² + 8

• y = -(x+3)² + 8

• y = (x-3)² + 8

• y = -(x-3)² - 8

Given the table, determine the equation of the function.

• y = 2(x-2) + 4

• y = -1(x-2)² + 4

• y = 1(x-1)² - 4

• y = 2(x-1)² - 4

The graph of a quadratic function is called

• a line

• a hyperbola

• a parabola

• a cubic

Pick a function that best models the following situation: The speed of a roller coaster from start to finish.

• Exponential

• Linear

• Quadratic

• Neither

This function has a common second difference.

• Linear

• Quadratic

• Exponential

• None of the above

What type of function describes the story below?
You have $10 and earn $5 every week. 

• Linear

• Exponential

• Neither

How should this function be classified?

• Linear

• Quadratic

• Exponential

• None of the above

Maggie is knitting blankets for the residents of a local nursing home. She already has 6 blankets completed. After one week, Kay has 8 blankets. After two weeks, Kay has 10 blankets. Kay's scenario is best represented by a _______________ function.

• Linear

• Quadratic

• Exponential

• None of the above

A machine salesperson earns a base salary of $40,000 plus a commission of $300 for every machine he sells. Which best describes this function?

• Linear

• Quadratic

• Exponential

• None of the above