WOW!!! We’re Making GREAT Progress!! Unit 3 Review WOW!!! We’re Making GREAT Progress!!

Question 1 Evaluate the expression 42 – 10 + 5

Question 2 The Smiths have 3 children that need babysitting. They pay $15 plus $5 an hour. Write an expression for the amount they will pay for h hours of babysitting.

Question 3 A) 3(4y3 +2 x) B) 18y3x3 C) 4(3y3 + x) D) 6(2y3 + 2x) Which expression is equivalent to 12y3 + 6x2 A) 3(4y3 +2 x) B) 18y3x3 C) 4(3y3 + x) D) 6(2y3 + 2x)

Question 4 You’re having a birthday party at SK8 city!! It costs $60 to rent the skating rink plus $10 per person attending. How much will it cost if 15 people come to your party??

Question 5 Which expression is equivalent to 8x + 10 A) x8 + 10 B) 8 + x + 10 C) x + x + x + x + x + x + x + x - 10 D) 2x + 6x + 5 + 5

Question 6 Are the two expressions equivalent? Show how you know. y2 + 2z + y2 + 5 2y2 + 2z + 5

Question 7 The formula for finding the Volume of a cube is where s is the length of one side of the cube. What is the volume of a cube with side length of 4 cm?

Question 8 If a cell phone company charges $55.95 for service plus $0.05 for each text message per month, which expression represents the cost of m (monthly charges) if t text messages are sent. A) 55.95m + 0.05-t B) 55.95m + 0.15 + t C) 55.95m + 5t D) 55.95m + 0.15t

Question 9 Which situation could represent the expression 25 + 5b? Dr. Brantley paid Mary $25 plus $5 per hour to grade papers. It costs $30 buy a blue pen. Dr. Brantley ran 25 miles, then 5 more. Dr. Brantley gave Mary $30 per hour to grade paper.

Question 10 Evaluate the expression (5+5)2 + 5

Question 11 Evaluate the expression: 150  52 - 3 . 2

Question 12 What phrase is NOT equivalent to this expression? 10 x 5 10 groups of 5 The product of 10 and 5 The quotient of 10 and 5 10 multiplied by 5

Question 13 Which situation could represent the expression? 2.50x + 36 $38.50 for a new jacket from the Stable. $36 per hour to work 2.50 hours at the Stable. $2.50 per hour + $36 to work at the Stable. $36 for each hour to work at the Stable minus $2.50 for the juice you drank.  

Question 14 Use the Distributive Property, to evaluate the expression 15(y + x).

Question 15a Which word phrase is NOT equivalent to 25x? 25 multiplied by x 25 groups of x 25 + x The product of 25 and x

Question 16 Which word phrase is equivalent to this expression? 5x + 9 nine more than the product of 5 and x the product of five and x and nine five times x minus nine the difference of 5x and 9

Question 17 Write two equivalent expressions for 5 + y + 4 + 3y

Question 18 The formula for finding the Volume of a rectangular prism can be stated as V = l . w . h , where l = length of the prism, w = width of the prism and h = height of the prism. Use the formula to find the volume of a prism with length of 25 inches, width of 1.5 inches, and a height of 5 inches. Show your work.

Question 19 Simplify: 7x2 + 3y+ y + x2 +12x.

Question 20 Determine whether the following expressions are equivalent: 6x + 2 and 2(3x + 1). Explain your answer in words.

Question 21 The formula for finding the Surface Area of a cube is SA=6s2 , where s is the length of one side of the cube. What is the surface area of a cube with side length of 4 meters?

Question 22 Write the expression “five cubed divided by twenty-five” and then evaluate it.

Question 23 Write an expression equivalent to x2 + x + x + y + y + y + x2 + x2

Question 24 At the Stable, Mrs. Weber sells juice for $3 each and chips for $2 each. Write an algebraic expression to represent her sales for selling j juices and c chips. Use this expression to determine how much she will earn if she sells 10 juices and 12 bags of chips.