Parts of Expressions

Front

What is an algebraic expression?

Back

An algebraic expression is a mathematical phrase that includes at least one variable.

Front

How many terms are in the expression 5y - 7x + 11?

Back

There are 3 terms in the expression.

Front

What is a coefficient in an algebraic expression?

Back

A coefficient is a number multiplied by a variable; it is the number in front of the variable.

Front

What is the coefficient of the expression m - 6?

Back

The coefficient is 1.

Front

In the expression 5y - 7x + 11, what does -7 represent?

Back

-7 is an example of a coefficient.

Front

What is a variable in an algebraic expression?

Back

A variable is a symbol, often a letter, that represents an unknown value.

Front

What is the difference between a term and a coefficient?

Back

A term is a single mathematical expression that can be a number, variable, or the product of numbers and variables, while a coefficient is the numerical factor in front of a variable.

Front

Can an algebraic expression have no variables?

Back

No, an algebraic expression must include at least one variable.

Front

What is the role of constants in algebraic expressions?

Back

Constants are fixed values that do not change and can be part of an algebraic expression.

Front

How do you identify the number of terms in an expression?

Back

Count the number of distinct parts separated by plus or minus signs.