Expressions Practice

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression. For example, in the expression 4x, 4 is the coefficient.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of the variables involved.

Front

What is the expression for combining like terms?

Back

Combining like terms involves adding or subtracting coefficients of terms that have the same variable raised to the same power.

Front

What is the coefficient of x in the expression 3x + 7?

Back

The coefficient of x is 3.

Front

How do you simplify the expression 2x + 3x?

Back

You combine like terms to get 5x.

Front

What does the term 'algebra tiles' refer to?

Back

Algebra tiles are physical or virtual manipulatives used to represent algebraic expressions and help visualize operations like addition and subtraction.

Front

What is the value of the expression 5 + 2x when x = 3?

Back

The value is 5 + 2(3) = 5 + 6 = 11.

Front

What is the simplified form of 4y + 2y?

Back

The simplified form is 6y.

Front

What does the expression 7x - 2x represent?

Back

It represents the combination of like terms, which simplifies to 5x.

Front

What is the constant term in the expression 5x + 8?

Back

The constant term is 8.