unit 6 Summative

Eleven more than a number n

Four less than y

Thirty one increased by fourteen is forty-five

The quotient of eighty-one and three

Five more than the product of a number and six is one hundred thirty-seven

Evaluate this expression:

3x + 4y − 9 for x = 13 and y = − 4

Evaluate this expression:

8x − 2 − 9x + 11 for x = 5

Use the Distributive Property

2(5y-4)

Use the Distributive Property

5(-2x+3)

Combine the like terms

− 4x + 9y + 2x + 13x − 5y

Combine the like terms

8x − 2 − 9x + 11

Add the expression:

(− 2y − 3) +(-4y+6)

Subtract the Expression

(− 2y − 3) -(5y − 4)

Factor this expression

3x-6y

Factor this Expression

24y +64x

1. Maria shows her work when simplifying the expression

5(3 + y) + (a)(5)(z)

Step 1: 15 + 5y + (a)(5)(z)

What property was applied to result in Step 1?

A nanny service charges $40.00 for the first hour and $15.00 for each additional hour to babysit two children. Which of the following could be used to find the cost in dollars of babysitting “h” hours?

You have saved some money. Your friend has saved $20 more than you. Write an expression in simplest form that represents the total amount of money you and your friend have saved.