Graphing a Cubic Function on the TI-89 Calculator

This tutorial guides users on how to graph a cubic function using the TI-89 graphing calculator. It covers entering the function, graphing it using standard and adjusted windows, finding relative extrema, locating intercepts, and using the table feature to find additional points. The tutorial provides step-by-step instructions to ensure a comprehensive understanding of the graphing process.

What is the first step in graphing a cubic function on the TI-89 calculator?

• Using the table feature

• Finding the intercepts

• Entering the function into the calculator

• Adjusting the window settings

Which button combination is used to access the Y= screen on the TI-89 calculator?

• Diamond F3

• Diamond F5

• Diamond F2

• Diamond F1

What is the purpose of adjusting the Y maximum in the graph window settings?

• To change the graph's color

• To view the relative maximum

• To zoom in on the graph

• To find the intercepts

Which option in the math menu is used to find the relative minimum?

• Option 3

• Option 2

• Option 4

• Option 1

What are the approximate coordinates of the relative minimum found in the tutorial?

• (2, -7)

• (1, 0)

• (5, 0)

• (0, 15)

Which feature is used to find the horizontal intercepts of the cubic function?

• Trace feature

• Table feature

• Zoom feature

• Zero feature

What is the horizontal intercept found at the point (5, 0)?

• Relative minimum

• Relative maximum

• Vertical intercept

• Horizontal intercept

How do you access the table feature on the TI-89 calculator?

• Press Diamond F1

• Press Diamond F2

• Press Diamond F5

• Press Diamond F3

What is the vertical intercept of the cubic function when X is zero?

• (2, -7)

• (5, 0)

• (1, 0)

• (0, 15)

What is the purpose of using the table feature in graphing?

• To adjust the graph window

• To find additional points for plotting

• To change the graph's color

• To find the relative maximum