1 The chart below shows the results of
#1 The chart below shows the results of a science experiment in which students measured the weight of a particular element and then compared it to its weight after the element had been heated for a certain amount of time. Weight of Element A . 5 grams 2. 5 grams 4. 5 grams 9 grams Time Heated 2 minute 10 minutes 18 minutes 36 minutes Is this a proportional relationship?
#2 Derek is making cornbread for his grandmother. The recipe calls for 3/4 cup of milk for each package of cornbread mix. Derek is using 4 packages of mix. How much milk should he use?
#3 The doctor prescribes an antibiotic to Shelly for her tonsillitis. He tells her she will need to take 2 pill 4 times a day. She is to take this medication for 12 days. How many pills should the pharmacist give Shelly?
#4 Figure B is a dilation of figure A. What is the scale factor used to create this dilation? 8 cm 16 cm
#5 Marco wants to create an enlargement of his girlfriend’s photo. He is using a computer program that allows him to dilate the picture by one of several different scale factors. Which scale factor must he use if he wishes to enlarge the picture? a. 1/3 b. 2/5 c. 5/2 d. 4/4
#6 Dilate figure XYZ using a scale of 3. Name your dilation X’Y’Z’. Which shows the coordinates of point Z’. X ( 1, 2) Y( 1, 3) Z (5, 3)
#7 The Pruitt’s are discussing having some work done on their house. The first bid comes from a contractor who will charge them $55 per hour and estimates the job will take him 20 hours to complete. The second contractor offers to do the same job for $50 per hour but says the job will take him only 16 hours to complete. Which statement is true about the contractors’ bids? a. Contractor One will complete the job for less money than Contractor Two. b. Contractor Two will complete the job for less money than Contractor One. c. Both Contractors are offering to do the job for the same amount of money. d. Contractor one is charging a total of $750 for his work.
#8 The scale for a model car is 1 mm to 50 inches. If the model has a bumper that is 6. 5 mm long, how long is the actual bumper of the car? 1 mm 50 in
#9 The Duck Pull is one of the games at the annual Fall Festival. In this game, a child can pick one rubber duck from a tub of water that contains 28 rubber ducks. On the bottom of each duck there is a letter that indicates what prize the child will receive. There an equal number of A’s, B’s, C’s and D’s. If the child draws out a duck with an A on it, he will receive candy. A duck marked with a B will win the child play jewelry, while a duck marked with a C will win chewing gum. The best ducks to draw are the ducks marked with a D. If a child draws this duck she will receive a $5 bill. If there are 140 children that go through this game line in one night, how many $5 do you predict will be won?
Figure ABC is similar to figure DEF. Write a number sentence that could be used to find the measure of angle E? #10 A E 90 B 40 C D F
#11 What scale factor was in used in creating Figure B which is a dilation of Figure A? 9 5
#12 Tim ran 140 meters in 25 seconds, and Evan ran 1000 meters in 15 seconds. Based on these rates, which statement is true? a. Tim’s average speed was faster than Evan’s average speed. b. Tim’s average speed was slower than Evan’s. c. Tim’s average speed was 2 meters per second faster than Evan’s. d. Tim’s average speed was equal to Evan’s average speed.
#13 Mrs. Shook is ordering supplies for the annual Fall Festival. She found that at Discount City she could buy 12 plastic pumpkins for $24. 72. If she orders through a catalog she will get the same pumpkins at a rate of $1. 06 each. Which statement best describes why Mrs. Shook would get a better deal from ordering from the catalog? a. The pumpkins from Discount City will cost Mrs. Shook $1. 00 more each than the pumpkins from the catalog. b. 12 pumpkins from the catalog will cost Mrs. Shook $12. 00 more than the pumpkins from Discount City c. Each pumpkin from the catalog will cost Mrs. Shook $. 10 less than each pumpkin from Discount City. d. 12 pumpkins from both the catalog and Discount City will cost the same amount.
#14 On last year’s TAKS test, 20 out of 60 questions were solved using proportions. If they give proportion questions at the same rate as last year, Write all four proportions that could be use to find the number of questions You would expect to be solved using proportions If this years test has 80 questions ?
#15 Which does NOT represent a proportional relationship? C. A. 3 x = y y x B. D. x y 2 8 3 12 2 x – 4 = y
#16 Mrs. Mann bought apples on sale at a price of 2 lbs. for $1. 20. Which shows apples sold at the same rate? A. 1 lb for $. 90 B. 5 lbs for $ 3. 50 C. 10 lbs for $12. 00 D. 8 lbs for $7. 10
#17 Claire found an online table showing the cost per Minute for using her cell phone. The chart is shown Below. No. cost minutes 50 $1. 50 100 $3. 00 200 $6. 00 Find the cost of using the cell phone for 500 minutes. A. $9 B. $15 C. $10 D. Not given
#18 The relationship between the number of cokes purchased And the total cost of the cokes can be found in the Relationship 1. 5 c = t Where c is the number of cokes bought and t is the total cost. If the total cost is $24. 00, how many cokes were bought?
#19 Figure ABC and A’B’C’ are similar. Find the measure Of side B’C’. B’ B 5 A 20 6 C A’ C’
#20 If the figure A(1, 2) B(1, 4) and C(6, 5) is reflected Across the x axis, what are the dimensions of A After the reflection?
#21 A 30 foot flag pole cast a shadow that is 5 foot longer than The shadow of a 12 foot tree. How long is the shadow of The tree?
#22 Given the domain { -2, 0, 3 } Find the range of the function F(x) = 2 x – 5
#23 The relationship between temperature in Celsius and Fahrenheit is found in the equation C = 5/9 ( F – 32). Determine the Celsius temperature that is equivalent to 96 Fahrenheit
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