Parts of an Expression/Equation

Front

What is a coefficient?

Back

A coefficient is a numerical factor in a term of an expression. For example, in the term 3n, 3 is the coefficient.

Front

Identify the variables in the expression: 3x + 9

Back

The variable in the expression is x.

Front

What is the difference between an expression and an equation?

Back

An equation has an equal sign, while an expression does not.

Front

What does an expression not contain?

Back

An expression does not contain an equal sign.

Front

Solve the following equation: b + 6 = 15

Back

b = 9.

Front

What is a term in an expression?

Back

A term is a single mathematical expression that can be a number, a variable, or a combination of both, such as 4x or 7.

Front

What is a constant in an expression?

Back

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

Front

What is a variable in an expression?

Back

A variable is a symbol used to represent an unknown value, such as x or n.

Front

What is the purpose of an equation?

Back

The purpose of an equation is to show that two expressions are equal.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.