Expressions: Evaluate, Write, Simplify

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

How do you write the phrase 'the difference of 20 and y' as an expression?

Back

20 - y

Front

What does it mean to simplify an expression?

Back

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

Front

Simplify the expression: 3y + 3 + 4y.

Back

7y + 3

Front

What is the process to evaluate an expression?

Back

To evaluate an expression, substitute the values of the variables and perform the operations.

Front

Evaluate 9y when y = 3.

Back

27

Front

How do you write the phrase 'the product of 11 and a number h' as an expression?

Back

11h

Front

What is the expression for '10 divided by x'?

Back

Front

What are like terms in an expression?

Back

Like terms are terms that have the same variable raised to the same power.

Front

What is the first step in simplifying the expression 2x + 3x + 4?

Back

Combine the like terms 2x and 3x to get 5x.