Evaluating Expressions and Operations

The video tutorial explains how to evaluate the expression x squared plus y cubed minus z by substituting given values for x, y, and z. It follows the order of operations, simplifying exponents, and performing addition and subtraction to arrive at the final result of 26.

What is the first step in evaluating the expression x^2 + y^3 - z when given specific values for x, y, and z?

• Simplifying exponents

• Performing substitution

• Performing addition

• Simplifying within parentheses

After substituting the values, what is the next step according to the order of operations?

• Simplify within parentheses

• Multiply and divide

• Add and subtract

• Simplify exponents

What is the result of 6 squared?

• 12

• 30

• 42

• 36

What is the cube of negative one?

• 1

• -1

• 0

• 3

What is the expression after evaluating the exponents and before performing addition and subtraction?

• 36 + 9 - 1

• 36 + 1 - 9

• 36 - 1 - 9

• 36 + (-1) - 9

What is the result of 36 plus negative one?

• 36

• 34

• 37

• 35

What is the final result of the expression x^2 + y^3 - z?

• 27

• 26

• 25

• 24

What is the value of z in the expression?

• -1

• 6

• 9

• 1

What is the value of y in the expression?

• 6

• -1

• 9

• 1