Expressions and equations- PRACTICE

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, *, /) that represents a value.

Front

What does it mean to simplify an expression?

Back

To simplify an expression means to combine like terms and perform operations to reduce it to its simplest form.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you can distribute a factor across a sum.

Front

What is a variable in an expression?

Back

A variable is a symbol (often a letter) that represents an unknown value in an expression or equation.

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.

Front

How do you write 'twice h increased by 5' as an expression?

Back

The expression is 2h + 5.

Front

What is the result of 5(a + 6) when simplified?

Back

The simplified expression is 5a + 30.

Front

What does it mean for two expressions to be equivalent?

Back

Two expressions are equivalent if they have the same value for all values of their variables.

Front

How do you factor the expression 9x + 12?

Back

The factored form is 3(3x + 4).

Front

What is the process of evaluating an expression?

Back

Evaluating an expression involves substituting values for the variables and performing the operations.