Multiplication and Exponent Rules

This lesson covers multiplying algebraic terms, focusing on using the commutative and associative properties to rearrange and group terms. It explains how to simplify expressions by combining like terms and demonstrates two methods for squaring algebraic expressions. The lesson emphasizes understanding negative numbers, factors, and exponent rules.

What is the main focus of Saxon course 2 lesson 87?

• Adding algebraic terms

• Dividing algebraic terms

• Multiplying algebraic terms

• Subtracting algebraic terms

What does the minus sign in the expression -3 x^2 y * 2x * -4x y represent?

• Positive numbers

• Division

• Subtraction

• Negative numbers

How is the expression -3 x^2 y * 2x * -4x y initially broken down?

• Into addition terms

• Into subtraction terms

• Into division terms

• Into individual factors

What property is used to rearrange the factors in the expression?

• Distributive property

• Identity property

• Associative property

• Commutative property

How many x's are grouped together in the expression after using the commutative property?

• Five

• Four

• Three

• Two

What is the result of multiplying -3, 2, and -4 together?

• 6

• -24

• 24

• -6

What is the simplified form of x * x * x * x?

• x^5

• x^4

• x^3

• x^2

What is the simplified form of y * y?

• y^5

• y^4

• y^3

• y^2

What is the result of multiplying -2 and 3 together?

• -6

• 6

• 5

• -5

What is the simplified form of a * a * a?

• a^3

• a^2

• a^4

• a^5