Investigation 2 Recognizing Linear Functions Words, Tables and Graphs Unit 4 Linear Functions Investigation 2 Recognizing Linear Functions Words, Tables and Graphs

Class Goals By the end of the period, you will understand and be able to… Recognize linear functions in tabular and graphical forms. Represent functions with verbal descriptions, equations, graphs, and tables.

More Class Goals By the end of the period, you will understand and be able to… Students will develop methods for identifying the characteristics of a linear functions. Understand rate of change and initial value in a real word context.

Which graph shows a linear relationship? Explain. y x 5 -4 -2 1 3 -5 -3 -1 2 4 y x 5 -4 -2 1 3 -5 -3 -1 2 4

Which graph shows a linear relationship? Explain. y x 5 -4 -2 1 3 -5 -3 -1 2 4 y x 5 -4 -2 1 3 -5 -3 -1 2 4

Which graph shows a linear relationship? Explain. y x 5 -4 -2 1 3 -5 -3 -1 2 4 y x 5 -4 -2 1 3 -5 -3 -1 2 4

Which table shows a linear relationship? Explain.

Which table shows a linear relationship? Explain.

Which table shows a linear relationship? Explain.

Complete the Table Pizza Circumference Is the relationship Linear? Explain.

Complete the Table Pizza Area Is the relationship Linear? Explain.

Which Size is a Better Deal? Is paying $20 for a large pizza which is 18 inches in diameter is a better buy than paying $5 for a personal size pizza that is 6 inches across. 

Pizza Theory Suppose someone eats only the stuffed crust and gives the center of the pizza to a friend. How can they maximize the amount of crust and spend as little as possible?