Exploring Algebra 1 Expressions Vocabulary

This video introduces key algebra vocabulary, including expressions, terms, variables, coefficients, and constants. It explains how to identify these components in expressions and demonstrates evaluating expressions by substituting values and simplifying. The video aims to familiarize students with these concepts for classroom use.

What is the main goal of this video?

• To learn some vocabulary terms used in algebra

• To practice algebra equations

• To understand the history of algebra

• To solve complex algebra problems

Which of the following is an example of an expression?

• 3x + 4

• 3x + 4 = 7

• 4 - 2 = 2

• x = 2

In the expression 3x + 4, what is the term?

• 3x

• x

• 3

• 4

What is a variable in an expression?

• A number that is added to another number

• A letter that represents any number

• A number that is multiplied by another number

• A number that is subtracted from another number

In the expression 3x + 4, what is the coefficient?

• 4

• x

• 3

• 3x

Which of the following is a constant in the expression 3x + 4?

• 3

• x

• 3x

• 4

In the expression 3x - 4y + 2 - 7z + 8, which of the following is a term?

• All of the above

• 2

• 4y

• 3x

Which of the following is a variable in the expression 3x - 4y + 2 - 7z + 8?

• 3

• x

• 8

• 2

What is the result of evaluating the expression 3x + 4 when x is 2?

• 6

• 8

• 10

• 12

What is the simplified result of evaluating 4 + (-5)^2?

• 25

• 29

• 20

• 9