Desmos Calculator Operations and Functions

This lesson demonstrates how to evaluate various mathematical expressions using the Desmos scientific calculator. It covers entering fractions, negative exponents, square and cube roots, and complex expressions. The tutorial provides step-by-step instructions for using specific keys and functions on the calculator, such as the fraction key, exponent key, and root keys, to obtain results in both decimal and fraction forms.

What is the result of the expression 5 minus 17 divided by 4?

• 1.25

• 0.75

• 2.5

• 3.75

How can you convert 0.75 to a fraction using the Desmos calculator?

• Enter manually

• Use the a over b key

• Click the circle on the right

• Use the square root key

What is the result of negative three raised to the power of four?

• -27

• 81

• -81

• 27

Which key is used to enter an exponent in the Desmos calculator?

• Square root key

• Fraction key

• a to the power of b key

• a over b key

What is the decimal result of the square of negative two-thirds?

• 0.6

• 0.6 repeating

• 0.4

• 0.4 repeating

How do you enter the exponent of 2 for a fraction in Desmos?

• Use the nth root key

• Use the square root key

• Use the fraction key

• Use the a squared key

What is the fractional result of the expression four plus two raised to the power of negative two?

• 1/16

• 1/36

• 1/9

• 1/4

How do you enter a square root in the Desmos calculator?

• Use the fraction key

• Use the nth root key

• Use the square root key

• Use the a squared key

What is the result of the expression involving the square root of 36 minus the cube root of 64?

• 0

• 1

• 2

• 3

How do you convert a decimal result to a fraction in Desmos?

• Use the square root key

• Use the a over b key

• Click the convert to fraction key

• Enter manually