Exploring Parts of an Expression Vocabulary

The video tutorial explains the parts of an expression, including numbers, variables, operations, and grouping symbols. It differentiates between expressions and equations, highlighting that equations have an equal sign. The tutorial covers terms, coefficients, and constants, and demonstrates how to simplify expressions by combining like terms. Examples are provided to illustrate these concepts, emphasizing the importance of understanding variables, coefficients, and constants in expressions.

Which of the following is NOT a part of an expression?

• Operations

• Equal sign

• Variables

• Numbers

What is the main difference between an expression and an equation?

• An expression has numbers, an equation does not.

• An equation has an equal sign, an expression does not.

• An expression has variables, an equation does not.

• An equation has operations, an expression does not.

In the expression 4N^2 + 7, what are the terms?

• 4 and 7

• N^2 and 7

• 4 and N^2

• 4N^2 and 7

What is a coefficient?

• A number without a variable

• A number in front of a variable

• A variable without a number

• A term with an unknown value

Which of the following are like terms?

• 2x and 4y

• 5 and 5y

• 3 and 3x

• 2x and 4x

In the expression -3x + 10 + 5x - 6, what are the constants?

• 10 and 5

• -3 and 5

• 10 and -6

• -3x and 5x

Simplify the expression: -3x + 10 + 5x - 6.

• 8x + 16

• 8x + 4

• 2x + 16

• 2x + 4

In the expression 9y - 4 + 2x + 11, what are the variables?

• 9y and 2x

• y and x

• 4 and 11

• 9 and 2

What is the simplified form of 7x - 4 + 7x + 9?

• 7x + 13

• 7x + 5

• 14x + 13

• 14x + 5

When writing the final answer with variables, in what order should they be written?

• In alphabetical order

• In the order they appear

• In numerical order

• In reverse alphabetical order