Simplifying Expressions on the T89 Graphing Calculator

This tutorial guides users on simplifying expressions using the T89 graphing calculator. It begins with setting up a new problem, then demonstrates simplifying expressions with single and multiple variables, and concludes with more complex expressions involving powers. The video provides step-by-step instructions for each type of expression, ensuring users can follow along and apply these techniques independently.

What is the first step to start a new problem on the T89 graphing calculator?

• Press second F2 and select option 4

• Press second F1 and select option 2

• Press F6 and select option 3

• Press F1 and select option 1

What happens when you use the 'new problem' function on the T89 calculator?

• It opens a new window for graphing

• It resets the calculator to factory settings

• It clears the home screen and stored variables

• It saves the current problem

How does the T89 calculator simplify the expression 5x + 4x?

• It simplifies to 0x

• It simplifies to 20x

• It simplifies to 9x

• It simplifies to 1x

When entering expressions with multiple variables on the T89, what must you remember to include?

• Addition signs between variables

• Subtraction signs between variables

• Multiplication signs between variables

• Division signs between variables

What is the simplified form of the expression -3x^2y + 5x^2y on the T89 calculator?

• 2x^2y

• 8x^2y

• 5x^2y

• 0x^2y

How does the T89 calculator simplify the expression 2x^3 * 7x^2?

• 9x^6

• 14x^6

• 9x^5

• 14x^5

What is the result of simplifying the expression -4x^4 * y^3 raised to the power of 3 on the T89?

• -64x^12y^9

• -64x^9y^12

• -64x^12y^3

• -64x^3y^12

What is the importance of using parentheses when entering complex expressions on the T89?

• To increase calculation speed

• To ensure correct order of operations

• To make the expression look neat

• To avoid syntax errors