Self-Check: Combing like terms

Front

What does it mean to combine like terms in an expression?

Back

Combining like terms means to simplify an expression by adding or subtracting terms that have the same variable raised to the same power.

Front

What is a term in an algebraic expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, separated by addition or subtraction.

Front

Identify the like terms in the expression: 4x + 3x - 2y + 5y.

Back

The like terms are 4x and 3x (both are x terms) and -2y and 5y (both are y terms).

Front

What is the coefficient in the term 7x?

Back

The coefficient is 7, which is the number multiplying the variable x.

Front

How many terms are in the expression: 2a + 3b - 4 + 5c?

Back

There are 4 terms: 2a, 3b, -4, and 5c.

Front

Simplify the expression: 5x + 3x - 2x.

Back

The simplified expression is 6x.

Front

What is a constant in an algebraic expression?

Back

A constant is a fixed value that does not change, such as the number 4 in the expression 3x + 4.

Front

Combine the like terms: 2m + 3n - 4m + 5n.

Back

The combined expression is -2m + 8n.

Front

What is the result of combining like terms in the expression: 6x^2 + 2x - 3 + 4x^2 - 5x?

Back

The result is 10x^2 - 3 - 3x.

Front

What does it mean if two terms are 'like terms'?

Back

Like terms are terms that have the same variable raised to the same power.