Parts of Expressions

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change. For example, in the expression -r + 2, the constant is 2.

Front

How many terms are in the expression 2y + x + 4?

Back

There are 3 terms in the expression: 2y, x, and 4.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a number that is multiplied by a variable. For example, in the expression 6y + 7, the coefficient of y is 6.

Front

Where is the coefficient located in relation to the variable?

Back

The coefficient is the number in front of the variable.

Front

What is a variable in an algebraic expression?

Back

A variable is a symbol that represents an unknown value. For example, in the expression 3x + 5, x is the variable.

Front

Identify the constant in the expression 5a + 3.

Back

The constant is 3.

Front

How many terms are in the expression 4x + 2y - 7?

Back

There are 3 terms: 4x, 2y, and -7.

Front

What is the coefficient of x in the expression 8x - 4?

Back

The coefficient of x is 8.

Front

What does it mean for a term to be 'like'?

Back

Like terms are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms.

Front

Identify the variable in the expression 9m + 2.

Back

The variable is m.