Unit 4 Linear Functions Investigation 2 Recognizing Linear

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

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

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

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

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

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

Which table shows a linear relationship? Explain.

Which table shows a linear relationship? Explain.

Which table shows a linear relationship? Explain.

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

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

Which Size is a Better Deal? ÚIs 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 ÚSuppose 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?