9/9 Flashcard Algebraic Expressions 2

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that can include numbers, variables, and operation symbols. For example, 3x + 5 is an algebraic expression.

Front

What does the term 'variable' mean in algebra?

Back

A variable is a symbol, usually a letter, that represents an unknown value in an expression or equation. For example, in the expression 2x + 3, 'x' is the variable.

Front

How do you write '5 times the difference of nine and two' as an expression?

Back

5 x (9 - 2) is the expression for '5 times the difference of nine and two'.

Front

What is the expression for '4 less than x'?

Back

The expression for '4 less than x' is x - 4.

Front

Identify the number of terms in the expression 3x + 2y + z.

Back

There are 3 terms in the expression 3x + 2y + z.

Front

What is the expression for 'S students try out for baseball. 13 will be chosen. How many were not chosen?'

Back

The expression is S - 13.

Front

What is a coefficient in an algebraic expression?

Back

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

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 constant in an algebraic expression?

Back

A constant is a fixed value that does not change. For example, in the expression 3x + 5, 5 is the constant.

Front

How do you identify like terms in an expression?

Back

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