Storing the Quadratic Formula on the TI-84 Plus

Curtis demonstrates how to store and use the quadratic formula on a TI-84 Plus graphing calculator. The tutorial covers selecting a Y menu, storing coefficients for a quadratic equation, and evaluating intercepts. Curtis concludes by directing viewers to additional resources and social media channels for further learning.

What is the first step to store the quadratic formula on the TI-84 Plus?

• Input the quadratic formula directly

• Turn on the calculator

• Select the 'Y=' menu

• Choose the graphing mode

Tags

CCSS.HSA-REI.B.4B

Why do we use two Y menus for the quadratic formula?

• To save more formulas

• To handle both the positive and negative roots

• For better visibility on the screen

• Because the calculator requires it

Tags

CCSS.HSA-REI.B.4B

What is the purpose of using multiple Y menus for the quadratic formula?

• To separate the positive and negative solutions

• To increase calculation speed

• To use more memory

• To display on the graph

Tags

CCSS.HSA-REI.B.4B

How do you store the coefficient 'A' in the calculator?

• None of the above

• Directly typing the number

• Using the alpha key and a variable

• Using the sto> key

Tags

CCSS.HSA-REI.B.4B

What does pressing alpha followed by the decimal key accomplish?

• It clears the previous entry

• It changes the mode

• It inserts a colon for sequential commands

• It starts a new line

What is the result of evaluating Y9 after storing the coefficients?

• The first root of the equation

• An error message

• The calculator turns off

• The graph of the equation

Tags

CCSS.HSA-REI.B.4B

What does evaluating Y0 provide?

• The second root of the equation

• The integral of the equation

• The derivative of the equation

• The maximum value of the equation

Where can you follow for more tutorials after watching the video?

• In the calculator's manual

• None of the above

• YouTube and various social media platforms

• On the calculator's built-in help

What is the website mentioned for further education resources?

• education.ti.com

• graphcalc.ti.com

• ti.com

• learnmath.ti.com