Algebra

Front

What is an expression in algebra?

Back

An expression is a combination of numbers, variables, and operators (such as + and -) that represents a value but does not include an equality sign.

Front

What is the result of combining like terms: 3x + 9x + 4x?

Back

16x

Front

What is the result of adding three identical variables: y + y + y?

Back

3y

Front

What must an equation have?

Back

An equation must have an equality sign (=).

Front

What is the solution for x in the equation x = 5?

Back

5

Front

What is a variable in algebra?

Back

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

Front

What is the difference between an expression and an equation?

Back

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

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.

Front

What is the distributive property in algebra?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is a coefficient in algebra?

Back

A coefficient is a numerical factor in a term of an algebraic expression.