Transcript Warm Up # 3
Warm Up # 3 Quarterly Assessment 3 Take out your Make Up QA – work on them quietly Work on your homework if you are finished. QA Review # 1 1. What is the value of x, if 4x + 5 = 69? 2. What is the value of x, if 7x + 5 = 89? 3. What is the value of x, if 4x + 5 = 145? 4. What is the value of x, if 5. What is the value of x, if 6. What is the value of x, if x 5 3? 12 x 35 5 ? 9 x 15 9 ? 2 Bell Work 1. What is the value of x, if 4x + 5 = 45? 2. What is the value of x, if 7x + 5 = 54? 3. What is the value of x, if 4x + 5 = 125? 4. What is the value of x, if 5. What is the value of x, if 6. What is the value of x, if x 12 25 ? 9 x 12 2 ? 10 x 12 24 ? 12 Bell Work 1. What is the value of x, if 4x + 5 = 85? 2. What is the value of x, if 9x + 5=113? 3. What is the value of x, if 4x + 5 = 185? 4. What is the value of x, if 5. What is the value of x, if 6. What is the value of x, if x 12 30 ? 9 x 12 6 ? 10 x 12 29 ? 12 Bell Work 1. What is the value of x, if 4x + 5 = 105? 2. What is the value of x, if 9x + 5=131? 3. What is the value of x, if 4x + 5 = 225? 4. What is the value of x, if 5. What is the value of x, if 6. What is the value of x, if x 5 3? 12 x 12 2 ? 10 x 15 9 ? 2 Bell Work 1. What is the value of x, if 4x + 5 = 85? 2. What is the value of x, if 9x + 5=113? 3. What is the value of x, if 4x + 5 = 185? 4. What is the value of x, if 5. What is the value of x, if 6. What is the value of x, if x 12 25 ? 9 x 12 30 ? 9 x 12 24 ? 12 QA Review # 2 1. What is the value of x, if 3x + 7 > 67? 2. What is the value of x, if 3x + 7 > 37? 3. What is the value of x, if 2x + 6 > 50? 4. What is the value of x, if 2x – 7 > 19? 5. What is the value of x, if 3x – 5 > 40? 6. What is the value of x, if 5x – 1 > 49? Bell Work 1. What is the value of x, if 2x + 7 > 67? 2. What is the value of x, if 10x + 7 > 37? 3. What is the value of x, if 2x + 6 < 90? 4. What is the value of x, if 2x – 7 < 39? 5. What is the value of x, if 5x – 5 > 90? 6. What is the value of x, if 4x – 1 > 99? Bell Work 1. What is the value of x, if 3x + 21 > 66? 2. What is the value of x, if 3x + 7 < 67? 3. What is the value of x, if 2x + 6 > 60? 4. What is the value of x, if 4x – 7 > 33? 5. What is the value of x, if 3x – 5 < 70? 6. What is the value of x, if 5x – 1 > 79? Bell Work 1. What is the value of x, if 2x + 7 > 77? 2. What is the value of x, if 10x + 7 > 57? 3. What is the value of x, if 2x + 6 < 100? 4. What is the value of x, if 2x – 7 < 59? 5. What is the value of x, if 5x – 5 > 95? 6. What is the value of x, if 4x – 1 > 199? QA Review # 3 1. When Carrie mows a lawn, she charges a flat fee of $10 plus an hourly rate, r. Carrie worked 4 hours at her last job. The equation 4r + 10= 38 represents, in dollars, what Carrie charged. What is Carrie’s hourly rate? 2. When Carrie mows a lawn, she charges a flat fee of $15 plus an hourly rate, r. Carrie worked 8 hours at her last job. The equation 8r + 15 = 79 represents, in dollars, what Carrie charged. What is Carrie’s hourly rate? Bell Work 1. When Carrie mows a lawn, she charges a flat fee of $10 plus an hourly rate, r. Carrie worked 4 hours at her last job. The equation 4r + 10= 58 represents, in dollars, what Carrie charged. What is Carrie’s hourly rate? 2. When Carrie mows a lawn, she charges a flat fee of $5 plus an hourly rate, r. Carrie worked 8 hours at her last job. The equation 8r + 5 = 101 represents, in dollars, what Carrie charged. What is Carrie’s hourly rate? Bell Work 1. When Carrie mows a lawn, she charges a flat fee of $10 plus an hourly rate, r. Carrie worked 4 hours at her last job. The equation 4r + 10= 50 represents, in dollars, what Carrie charged. What is Carrie’s hourly rate? 2. When Carrie mows a lawn, she charges a flat fee of $15 plus an hourly rate, r. Carrie worked 8 hours at her last job. The equation 8r + 15 = 119 represents, in dollars, what Carrie charged. What is Carrie’s hourly rate? QA Review # 4 1. A math club receives a 15% discount on calculators. If each calculator costs $25 before the discount, how much will the club spend on 60 calculators after the discount? 2. A math club receives a 20% discount on calculators. If each calculator costs $25 before the discount, how much will the club spend on 60 calculators after the discount? 3. A math club receives a 15% discount on calculators. If each calculator costs $30 before the discount, how much will the club spend on 60 calculators after the discount? Bell Work 1. A math club receives a 25% discount on calculators. If each calculator costs $25 before the discount, how much will the club spend on 60 calculators after the discount? 2. A math club receives a 10% discount on calculators. If each calculator costs $25 before the discount, how much will the club spend on 60 calculators after the discount? 3. A math club receives a 15% discount on calculators. If each calculator costs $40 before the discount, how much will the club spend on 60 calculators after the discount? Bell Work 1. A math club receives a 25% discount on calculators. If each calculator costs $50 before the discount, how much will the club spend on 60 calculators after the discount? 2. A math club receives a 10% discount on calculators. If each calculator costs $30 before the discount, how much will the club spend on 60 calculators after the discount? 3. A math club receives a 20% discount on calculators. If each calculator costs $40 before the discount, how much will the club spend on 60 calculators after the discount? Bell Work 1. A math club receives a 25% discount on calculators. If each calculator costs $35 before the discount, how much will the club spend on 60 calculators after the discount? 2. A math club receives a 10% discount on calculators. If each calculator costs $25 before the discount, how much will the club spend on 60 calculators after the discount? 3. A math club receives a 15% discount on calculators. If each calculator costs $40 before the discount, how much will the club spend on 60 calculators after the discount? Bell Work 1. A math club receives a 25% discount on calculators. If each calculator costs $25 before the discount, how much will the club spend on 60 calculators after the discount? 2. A math club receives a 10% discount on calculators. If each calculator costs $25 before the discount, how much will the club spend on 60 calculators after the discount? 3. A math club receives a 15% discount on calculators. If each calculator costs $40 before the discount, how much will the club spend on 60 calculators after the discount? QA Review # 5 1. If an initial rabbit population of 300 increased by 16%, what is the rabbit population now? 2. If an initial rabbit population of 400 increased by 15%, what is the rabbit population now? 3. If an initial rabbit population of 300 increased by 20%, what is the rabbit population now? 4. If an initial rabbit population of 200 increased by 10%, what is the rabbit population now? 5. If an initial rabbit population of 300 increased by 14%, what is the rabbit population now? Bell Work 1. If an initial rabbit population of 100 increased by 19%, what is the rabbit population now? 2. If an initial rabbit population of 200 increased by 17%, what is the rabbit population now? 3. If an initial rabbit population of 300 increased by 12%, what is the rabbit population now? 4. If an initial rabbit population of 500 increased by 10%, what is the rabbit population now? 5. If an initial rabbit population of 400 increased by 12%, what is the rabbit population now? Bell Work 1. If an initial rabbit population of 400 increased by 16%, what is the rabbit population now? 2. If an initial rabbit population of 500 increased by 15%, what is the rabbit population now? 3. If an initial rabbit population of 200 increased by 20%, what is the rabbit population now? 4. If an initial rabbit population of 100 increased by 21%, what is the rabbit population now? 5. If an initial rabbit population of 300 increased by 16%, what is the rabbit population now? Bell Work 1. If an initial rabbit population of 250 increased by 16%, what is the rabbit population now? 2. If an initial rabbit population of 600 increased by 15%, what is the rabbit population now? 3. If an initial rabbit population of 500 increased by 20%, what is the rabbit population now? 4. If an initial rabbit population of 300 increased by 21%, what is the rabbit population now? 5. If an initial rabbit population of 500 increased by 16%, what is the rabbit population now? Bell Work 1. If an initial rabbit population of 450 increased by 16%, what is the rabbit population now? 2. If an initial rabbit population of 900 increased by 15%, what is the rabbit population now? 3. If an initial rabbit population of 600 increased by 20%, what is the rabbit population now? 4. If an initial rabbit population of 500 increased by 21%, what is the rabbit population now? 5. If an initial rabbit population of 600 increased by 16%, what is the rabbit population now? QA Review # 6 1. Alan deposits $15 per month into his savings account. Which expression would represent the amount he saves in y years? 2. Alan deposits $20 per month into his savings account. Which expression would represent the amount he saves in y years? 3. Alan deposits $25 per month into his savings account. Which expression would represent the amount he saves in y years? 4. Alan deposits $30 per month into his savings account. Which expression would represent the amount he saves in y years? Bell Work 1. Alan deposits $35per month into his savings account. Which expression would represent the amount he saves in y years? 2. Alan deposits $23 per month into his savings account. Which expression would represent the amount he saves in y years? 3. Alan deposits $45 per month into his savings account. Which expression would represent the amount he saves in y years? 4. Alan deposits $40 per month into his savings account. Which expression would represent the amount he saves in y years? Bell Work 1. Alan deposits $11 per month into his savings account. Which expression would represent the amount he saves in y years? 2. Alan deposits $22 per month into his savings account. Which expression would represent the amount he saves in y years? 3. Alan deposits $30 per month into his savings account. Which expression would represent the amount he saves in y years? 4. Alan deposits $25 per month into his savings account. Which expression would represent the amount he saves in y years? QA Review # 7 1. Mrs. Williamson had 12 students in her homeroom at the beginning of the school year and 24 students at the end of the year. What was the approximate percent increase in the number of students in Mrs. Williamson’s homeroom? 2. Mrs. Williamson had 15 students in her homeroom at the beginning of the school year and 21 students at the end of the year. What was the approximate percent increase in the number of students in Mrs. Williamson’s homeroom? Bell Work 1. Mrs. Williamson had 18 students in her homeroom at the beginning of the school year and 24 students at the end of the year. What was the approximate percent increase in the number of students in Mrs. Williamson’s homeroom? 2. Mrs. Williamson had 20 students in her homeroom at the beginning of the school year and 25 students at the end of the year. What was the approximate percent increase in the number of students in Mrs. Williamson’s homeroom? Bell Work 1. Mrs. Williamson had 18 students in her homeroom at the beginning of the school year and 27 students at the end of the year. What was the approximate percent increase in the number of students in Mrs. Williamson’s homeroom? 2. Mrs. Williamson had 20 students in her homeroom at the beginning of the school year and 24 students at the end of the year. What was the approximate percent increase in the number of students in Mrs. Williamson’s homeroom? QA Review # 8 12 5 ? 6 1. Which expression is equivalent to 5 12 7 2. Which expression is equivalent to 4 ? 7 12 3 3. Which expression is equivalent to 9 ? 3 6 6 ? 4 17 Which expression is equivalent to 4 4 ? Which expression is equivalent to 7 3 7 7 ? 4. Which expression is equivalent to 5. 6. 4 7 Bell Work 14 5 ? 6 1. Which expression is equivalent to 5 12 7 2. Which expression is equivalent to 7 ? 7 22 3 3. Which expression is equivalent to 4 ? 3 6 6 ? 4 13 Which expression is equivalent to 4 4 ? Which expression is equivalent to 7 23 7 7 ? 4. Which expression is equivalent to 5. 6. 14 7 Bell Work 1. 2. 3. 4 4 Which expression is equivalent to 3 ? 4 14 5 Which expression is equivalent to ? 3 5 14 9 Which expression is equivalent to ? 3 9 5 4. Which expression is equivalent to 8 8 ? 4 5. Which expression is equivalent to 10 10 ? 15 8 6. Which expression is equivalent to 12 12 ? 15 14 QA Review # 9 1. Which expression represents twice the sum of w and 6? 2. Which expression represents the sum of 12 and x? 3. Which expression represents the product of 12 and y? 4. Which expression represents the quotient of x and 4? 5. Which expression represents the difference of k and 17? Bell Work 1. Which expression represents twice the sum of w and 10? 2. Which expression represents the sum of 16 and x? 3. Which expression represents the product of 13 and y? 4. Which expression represents the quotient of x and 9? 5. Which expression represents the difference of k and 12? QA Review # 10 1. Express the following in simplest form using exponents: 1 36 3 3 3 3 3 3 2. Express the following in simplest form using exponents: 6 6 6 6 6 6 6 6 6 3. 4. 5. 6. Simplify the following expression: 7–6 Simplify : 4–8 Simplify : 34 Simplify : 85 QA Review # 11 1. Solve 2. Solve 3. Solve 4. Solve 5. Solve 3 3 0.90 2.25 4 5 1 3 0.50 135 . 4 5 3 4 115 . 2.70 4 5 1 3 190 . 3.00 2 5 3 3 165 . 3.00 4 5 QA Review # 12 1. An auto shop normally charges $50.00 for an oil change, but they gave a 10% discount during promotion sale. If a customer had a coupon for an additional 5% off, what is the discounted cost of an oil change? 2. An auto shop normally charges $60.00 for an oil change, but they gave a 10% discount during promotion sale. If a customer had a coupon for an additional 5% off, what is the discounted cost of an oil change? QA Review # 13 • Sheila simplified an expression using the following steps. Step 1: 9x + 4(12 + 2x) Step 2: 9x + 48 + 8x Step 3: 9x + 8x + 48 Step 4: 17x + 48 1. Which property justifies Step 2? 2. Which property justifies Step 3? 3. Which property justifies Step 4? QA Review # 14 1. What property of multiplication is used in the equation below? 3 7 3 F I G J 13 H 7 K 13 2. Which expression is equivalent to 92 • 95 • 97? QA Review # 15 1. Shanika has a part-time job. She budgeted 1/6 of her earnings for clothes, 1/3 for entertainment, 1/10 for presents, and the rest she plans to save. What percentage of her earnings has Shanika planned to save? QA Review # 16 • 1. 2. 3. 4. Rose bought some clothes for a trip. The price of the boots was half the price of the jacket. The price of the skirt was $12 more than the price of the jacket. Rose spent a total of $160 for the clothes. If B represents the price of the boots and J represents the price of the jacket, write an equation using B and J to show the relationship between the price of the boots and the price of the jacket. If J represents the price of the jacket and K represents the price of the skirt, write an equation using J and K to show the relationship between the price of the jacket and the price of the skirt. Use the variables B, J, and K to write an equation that shows the sum of the prices of the items of clothing. Write an equation and explain your reasoning to show the sum of the prices of the clothing items in terms of J. QA Review # 17 • Kavin collected data on the distances he traveled every hour, as shown on the graph below. What was Kavin’s average speed in miles per hour between 2 and 7 hours? 8 7 6 5 4 3 2 1 200 400 600 800 BE Seated Quietly! TAKE OUT YOUR MAKE UP WARM UP!