Integer and Expressions Review

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but not a fraction or decimal.

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

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac, meaning you multiply a term by each term inside the parentheses.

Front

How do you combine like terms?

Back

You combine like terms by adding or subtracting the coefficients of terms that have the same variable raised to the same power.

Front

What is the result of 5(2x + 6)?

Back

The result is 10x + 30.

Front

What does it mean to 'distribute the negative'?

Back

Distributing the negative means to multiply each term inside the parentheses by -1, changing their signs.

Front

What is the simplified form of (-u + 8) - (5u + 1)?

Back

The simplified form is -6u + 7.

Front

How do you calculate total cost from unit prices?

Back

To calculate total cost, multiply the unit price by the number of items purchased.

Front

If each cheesecake costs $12.75 and each latte costs $6.25, what is the total cost for 5 people?

Back

The total cost is $95.

Front

What is the simplified form of 7v + 2 + 12 + 2v?

Back

The simplified form is 9v + 14.