Exploring Parts of an Expression

The video tutorial covers the parts of an expression, focusing on terms, constants, and coefficients. It explains how to identify and group like terms, define constants as numbers without variables, and understand coefficients as numbers in front of variables. The tutorial includes practice problems to reinforce these concepts, preparing students for simplifying expressions in future lessons.

Why is it important to understand terms, constants, and coefficients when simplifying expressions?

• To solve equations faster

• To memorize mathematical formulas

• To avoid using variables

• To identify the different parts of an expression

What is a term in an expression?

• A mathematical operation

• A number without a variable

• A variable without a number

• A part of an expression being added together

In the expression 2x + 13 - 5x + y - 8, which of the following is a term?

• 2x + 13

• 2x

• 5x + y

• 13 - 5x

What are like terms?

• Terms that are added together

• Terms that are constants

• Terms that have the same variable

• Terms that are coefficients

Which of the following pairs are like terms?

• 2x and 13

• 5x and y

• 2x and -5x

• 13 and -8

What is a constant in an expression?

• A number with a variable

• A variable without a number

• A number without a variable

• A mathematical operation

In the expression 2x + 13 - 5x + y - 8, which of the following is a constant?

• y

• 5x

• 2x

• 13

What is a coefficient?

• A mathematical operation

• A number in front of a variable

• A variable without a number

• A number without a variable

In the expression 2x + 13 - 5x + y - 8, which of the following is a coefficient?

• 8

• y

• 13

• 2

In the expression -2w + 7w + 8 - w + 16, which of the following are like terms?

• -2w and 7w

• 8 and -w

• 8 and 16

• 7w and 16