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- 1. Multiple ChoiceWhich of these ratios is equivalent to 3:4?12:99:209:12803:804
- 2. Multiple Choice
A class has 30 students. 18 are boys. What is the ratio of boys to girls?12:183:230:1818:7 - 3. Multiple ChoiceSolve for x
20/5 = x/25x=100x=4x=120x=5 - 4. Multiple ChoiceSolve for n
12/6 = 4/nn=4n=2n=3n=6 - 5. Multiple ChoiceSolve for xx=6.5x=8x=4x=5.5
- 6. Multiple ChoiceThe ratio of cars to trucks in the parking lot is 3:5. If there are 360 vehicles in the parking lot, how may are trucks?x = 270 carsx = 225 carsx = 225 trucksx = 270 trucks
- 7. Multiple ChoiceSolve the proportion:481410
- 8. Multiple ChoiceThe ratio of pass to fail in PE class is 5:1. If there are 90 students in PE, how many are passing?75 students are passing75 are failing15 students are passing15 students are failing
- 9. Multiple ChoiceThe angles of a triangle are in an extended ratio of 5:7:3. What is the measure of the largest angle?84o12o60o36o
- 10. Multiple ChoiceIn my fish tank, the ratio of red fish to blue fish is 3:5. There are 20 blue fish. How many red fish are there?1812415
- 11. Multiple ChoiceTommy has a bag of LEGOS. There are 6 yellow, 3 red, and 8 blue LEGOS. What is the ratio in simplest form of red to yellow LEGOS?1/26/32/13/6
- 12. Multiple ChoiceDoes the table represent a proportional relationship?Yes.No.
- 13. Multiple ChoiceThe amount of money earned on a job is directly proportional to the number of hours worked. If $70.00 is earned in 5 hours, how much money is earned in 22 hours of work?$2$308$1.57$265
- 14. Multiple Choicey varies directly with x, and y is 16 when x is 32. Which equation represents this situation?y=32xy=16xy=2xy=(1/2)x
- 15. Multiple Choice
y varies directly with x. If y = -4 when x = -1, what is the constant of variation?
k = 12
k = 4
k = 6
k = 2
- 16. Multiple ChoiceWhich of the given graphs is a direct variation?ABCD
- 17. Multiple ChoiceGiven that y varies inversely with x, if x =7 and y = 4, what is y when x = 2?14102-14
- 18. Multiple Choicex and y vary inversely. Given (5, 20), what is the constant k?4525100
- 19. Multiple ChoiceWhat kind of variation is shown in the graph?DirectInverse
- 20. Multiple ChoiceThe number of kilograms of water in a person’s body varies directly as the person’s mass. A person with a mass of 90 kg contains 60 kg of water. How many kilograms of water are in a person whose mass is 75 kg?50 kg water72 kg water94 kg water150 kg water
- 21. Multiple ChoiceThe volume V of a gas kept at a constant temperature varies inversely as the pressure p.
If the pressure is 24 pounds per square inch, the volume is 15 cubic feet.
What will be the volume when the pressure is 30 pounds per square inch?8 cubic feet10 cubic feet12 cubic feet14 cubic feet - Answer choicesTagsAnswer choicesTags