Slide 1 / 65 Unit Review Return to Table of Contents
Slide 2 / 65 1 3x and -2x A B Are Like Terms Are Unlike Terms
Slide 3 / 65 2 5a and 5b A B Are Like Terms Are Unlike Terms
Slide 4 / 65 3 4y and 5xy A B Are Like Terms Are Unlike Terms
Slide 5 / 65 4 x 2 y and xy 2 A B Are Like Terms Are Unlike Terms
Slide 6 / 65 5 22 and 14 A B Are Like Terms Are Unlike Terms
Slide 7 / 65 6 xy and xy A B Are Like Terms Are Unlike Terms
Slide 8 / 65 7 Match the expression 3(-4 + 3) with an equivalent expression. A 4(3) + 4(3) B 3(-4) + 3(3) C 4(3) - 4(3) D 3(4) + 3(3)
Slide 9 / 65 8 Which algebraic expression represents the number of days in w weeks? A w 7 B w/7 C w + 7 D 7w
Slide 10 / 65 9 Which algebraic expression represents the number of hours in m minutes? A m 60 B m/60 C m + 60 D 60m
Slide 11 / 65 10 In the expression 3x + 5, the value of 3 best describes: A B C D the constant the operation the variable the coefficient
Slide 12 / 65 11 In the expression 2x + 16, the value of 16 best describes: A B C D the coefficient the variable the operation the constant
Slide 13 / 65 12 Evaluate the expression 2x, when x = 10 A 20 B 12 C 210 D
Slide 14 / 65 13 What operation is being performed between the number and variable in the expression? A B C D addition division subtraction multiplication
Slide 15 / 65 14 A group of 15 parents buys tickets to a fundraiser show and receives a group discount of $2 off the regular ticket price p. Which expression represents the total cost of the tickets, in dollars? A 15 p + 2 B 15 (p - 2) C p - 15 2 D p (15-2)
Slide 16 / 65 15 A music store sells CDs for $15 and tapes for $3. Which expression could be used to find the dollar total of the sales for an hour if the store sold 8 CDs and 5 tapes? A (8 + 15) (5 + 3) B (8 15) + (5 3) C (8 3) + (5 15) D (15 8) + (5 3a)
Slide 17 / 65 16 There were three times as many adults as students attending a school play. If the attendance was 480, how many adults and how many students attended the play? A B C D 360 students, 120 adults 240 students, 240 adults 120 students, 360 adults 160 students, 320 adults
Slide 18 / 65 17 Which of the following is not a variable expression? A B 4n n + m C n - 4 D 4 + 3
Slide 19 / 65 18 What is the value of the expression x + y when x = 15 and y = 21? A 6 B 30 C 36 D 42
Slide 20 / 65 19 Evaluate n 2 - m when m = 7 and n = 8. A 9 B -9 C 57 D 71
Slide 21 / 65 20 Claire has had her driver s license for three years. Bill has had his license for b fewer years than Claire. Which expression can be used to show the number of years Bill has had his driver s license? A 3 + b B b + 3 C 3 - b D b < 3
Slide 22 / 65 21 Which situation is best modeled by the expression 25 x? A B C D George places x more video games on a shelf with 25 games Sarah has driven x miles of a 25 mile trip Ameilia paid $25 of an x dollar lunch she shared with Ariel George has 25 boxes full of x baseball cards each
Slide 23 / 65 22 Evaluate -3x + 5 when x = -2 A 11 B -1 C 1 D -11
Slide 24 / 65 23 Nine decreased by the quantity eight times a number x. A 8x - 9 B 9 8x C 9x - 8 D 8 9x
Slide 25 / 65 24 Four more than the quotient of 25 and y. A B C D
Slide 26 / 65 25 What is the coefficient of x in the expression 4y + 5 - x? A 5 B 1 C -1 D 0
Slide 27 / 65 26 Name the inverse operation used to solve this equation: x - 15 = -10 A B C D Multiplication Division Addition Subtraction
Slide 28 / 65 27 Name the inverse operation used to solve this equation: 4s = 84 A B C D Multiplication Division Addition Subtraction
Slide 29 / 65 28 Name the inverse operation used to solve this equation: f/4 = 2 A B C D Multiplication Division Addition Subtraction
Slide 30 / 65 29 Name the inverse operation used to solve this equation: -18 + x = 30 A B C D Multiplication Division Addition Subtraction
Slide 31 / 65 30 Solve the equation: y + 17 = 29 A y = 36 B y = 12 C y = -12 D y = 11
Slide 32 / 65 31 Solve the equation: 2-20x = 162 A x = -8.2 B x = 8.2 C x = 8 D x = -8
Slide 33 / 65 32 Solve the equation: 4.3d = -288.1 A d = -283.8 B d = -292.4 C d = 67 D d = -67
Slide 34 / 65 33 Solve the equation: 4.0 + 8.7k - 2.6 = 2 A k = 14.5 B k = -14.5 C k = 0.39 D k = 5.22
Slide 35 / 65 34 Solve the equation: 5/7r - 2 = -1 Unit Review A r = 7/5 B r = 5/7 C r = -4 1/5 D r = -2 1/7
Slide 36 / 65 35 Solve the equation: 3/8 + 1/2w - 4 = 3 A w = 13 1/4 B w = 1 13/14 C w = 106/4 D w = 13
Slide 37 / 65 36 Solve the equation: -3(2u + 5) + 3.5u = -1u A u = 10 B u = -10 C u = 4 D u = -4
Slide 38 / 65 37 Solve the equation: -4a = 14a - 12(4a+ 10) A a = 10 B a = 4 C a = -4 D a = -10
Slide 39 / 65 38 Solve the equation: 2(x + 6) = 2(-x + 6.5) A x = 13 B x = 0.4 C x = 4 D x = 1/4
Slide 40 / 65 39 Solve the equation: 5t = 2 - t A t = -6 B t = -1/3 C t = 1/3 D t = 6
Slide 41 / 65 40 A rectangle is 6 inches longer than it is wide. Write and simplify an expression for the perimeter of the rectangle in terms of the width w.
Slide 42 / 65 41 You and a friend worked in the school store last week. You worked 4 hours less than your friend. Let h be the number of hours your friend worked. Write an expression in simplest form that represents the total number of hours you both worked.
Slide 43 / 65 42 A trail mix contains peanuts, raisins, and M&Ms. In the mix, the amount of peanuts is three times the amount of M&Ms; and the amount of raisins is two times the amount of M&Ms. Let m represent the amount of M&Ms. Write and simplify an expression for the total number of pieces of food in the trail mix.
Slide 44 / 65 43 Write an expression containing three terms that is in simplest form. One of the terms should be constant.
Slide 45 / 65 44 Simplify: 5 2(3x 4) + x
Slide 46 / 65 45 Shelly lives 500 miles away. Paul drove 65 mph for 4 hours. How many more miles will it take for him to arrive at Shelly s house?
Slide 47 / 65 46 Evaluate the expression (F 32) when F = 41
47 8x - 18 = 46 x = Slide 48 / 65
Slide 49 / 65 48 27.5 = 2.5q + 1q - 4 q =
49-3e + 8 = -1 e = Slide 50 / 65
50 2/5y + y - 8 = 11 y = Slide 51 / 65
Slide 52 / 65 51-14.5b - 3 + 0.5b = 18 b =
Slide 53 / 65 52-6(2m +1) = 3m + 54 m =
Slide 54 / 65 53 2x - 4-2x = -(8x + 2) x =
Slide 55 / 65 54 3(2x + 3) = 2(x - 4) x =
55-5( -10 +8v) = -30 v = Slide 56 / 65
Slide 57 / 65 56 1/6c + 0.5 + 5/6c = 1 c =
Slide 58 / 65 57 At the video arcade, Jenny buys 25 tokens. She uses two tokens for each game she plays. Write an expression for the number of tokens Jenny has left after playing g games. Find the number of tokens Jenny has left after playing 1, 4, 6, 10 and 12 games.
Slide 59 / 65 58 Bob wants to go to the movies with his friends. The movie theater charges $8 per ticket. Bob s friends reserve $48.00 worth of tickets in advance. How many people in total can attend the movie? Identify the variable Identify the constant Write an equation which includes the number of people attending the movie, the price of each ticket, and the total cost of the movie.
Slide 60 / 65 59 Write an expression that has four terms and simplifies to 16x + 5. Identify the like terms Identify the coefficients Identify the constant terms
Slide 61 / 65 60 Mary is 5 years older than Bob. When Bob is 65, 70, and 75 years of age, what will Mary s age be? Complete the chart with an expression containing a variable to explain your answer.
Slide 62 / 65 61 A cell phone company is offering 2 different monthly plans. Each plan charges a monthly fee plus an additional cost per minute. Plan A: $ 40 fee plus $0.45 per minute Plan B: $70 fee plus $0.35 per minute A Write an expression to represent the cost of Plan A B Write an expression to represent the cost of Plan B C Which plan would be least expensive for a total of 1 minutes?
Slide 63 / 65 62 Chad complained to his friend that he had five equations to solve for homework. Are all of the homework problems equations? Justify your answer. (Put all of the choices that are equations into your responder.) Math Homework A 3x 2 = 2x 4 B 5-2x = 3x C 3(2x + 7) D 7x2 + 2x - 3x2-9 E
Slide 64 / 65 63 The clerk at the bank desk says there is an initial charge of $50.00 to open up a bank account at the Sunny Farms Bank. He then explains that after, every account added on will cost an additional $15.50 each. The Smith Family is thinking of opening an account for the family. A B C Write an equation that represents the cost to open accounts for the family members. What is the greatest amount of family members that open a bank account without exceeding a fee of $50 How much money would it cost if Mom Smith, Dad S Sister Smith, and Brother
Slide 65 / 65 64 The Rainbow Phone Service Company has a monthly fee of $100 and an additional charge of $6.00 for every data one goes over a month. The Cellular Phone Service Company has a monthly fee of $80 and an additional charge of $10.00 for every data one goes over. The Gomez family is deciding which of these two phone providers to subscribe to. A B C Write an equation that represents the cost of each phon company s monthly fee. For what number of data over will the total monthly fee both companies be the same? The Gomez family s daughter went over 6 data last mon Which phone service will save the Gomez family the mo if the daughter repeats this bad habit next month?