Variable Expressions

Front

What is a variable in mathematics?

Back

A symbol (usually a letter) that represents an unknown value.

Front

What is an algebraic expression?

Back

An expression that contains numbers, variables, and operations (like addition, subtraction, multiplication, and division).

Front

What does 'm increased by 16' translate to in an expression?

Back

m + 16

Front

Back

6 (since both 6 and -6 are solutions, but we typically consider the positive root in this context).

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equals sign, while an equation does.

Front

What does it mean to evaluate an expression?

Back

To calculate the value of the expression by substituting the variables with numbers.

Front

Back

7

Front

What is a coefficient in an algebraic expression?

Back

A number that is multiplied by a variable.

Front

What is the term for the number without a variable in an expression?

Back

Constant.

Front

What does 'x minus 4' translate to in an expression?

Back

x - 4