Parts of an Expression

Front

What is a coefficient in an expression?

Back

A coefficient is a numerical factor that multiplies a variable. For example, in the expression 3x, 3 is the coefficient.

Front

Identify the variables in the expression 3x + 9.

Back

The variable in the expression is x.

Front

What is a constant in the expression 3x + 2y + 7?

Back

A constant is a number that does not change. In this expression, 7 is the constant.

Front

How many terms are in the expression 3a + 2b + c + 100?

Back

There are 4 terms in the expression.

Front

A number with no variable attached is called a _____?

Back

A number with no variable attached is called a constant.

Front

What is a term in an expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both multiplied together.

Front

What is the difference between a variable and a constant?

Back

A variable is a symbol that represents an unknown value, while a constant is a fixed value that does not change.

Front

In the expression 5x + 3y - 2, how many terms are there?

Back

There are 3 terms in the expression: 5x, 3y, and -2.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and reduce it to its simplest form.

Front

What is a like term?

Back

Like terms are terms that have the same variable raised to the same power. For example, 2x and 3x are like terms.