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- 1. Multiple ChoiceEduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. What is the constant of variation?k = 10k = 2k = 5k = 1/5
- 2. Multiple ChoiceEduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. What is the equation of variation?y = 10xy = 2xy = 5xy = 1/5x
- 3. Multiple ChoiceEduardo counted ten seconds between seeing lightning and hearing thunder, and he knew that the lightning was about 2 miles away. If he counted four seconds between the next flash of lightning and thunder, about how far away was the lightning?40 miles4/5 miles8 miles20 miles
- 4. Multiple ChoiceA person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. What is the constant of variation?k = 123k = 20k = 6.15k = 0.16
- 5. Multiple ChoiceA person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. What is the equation of variation?y = 123xy = 20xy = 6.15xy = 0.16x
- 6. Multiple ChoiceA person’s weekly pay is directly proportional to the number of hours worked. Shawn’s pay is $123.00 for 20 hours of work. Find the amount of pay for 31 hours of work.$3813$620$190.65$4.96
- 7. Multiple ChoiceAt top speed, a rabbit can cover 7 miles in 12 minutes. What is the constant of variation?k = 7k = 12k = 12/7k = 7/12
- 8. Multiple ChoiceAt top speed, a rabbit can cover 7 miles in 12 minutes. What is the equation of variation?y = 7xy = 12xy = 12/7xy = 7/12x
- 9. Multiple ChoiceAt top speed, a rabbit can cover 7 miles in 12 minutes. If a rabbit could continue at this rate indefinitely, how long would it take the rabbit to cross the 220-mile expanse of the Mojave Desert?31.4 minutes18.3 minutes377.1 minutes128.1 minutes
- 10. Multiple ChoiceA dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the constant of variation?k = 13k = 65k = 5k = 1/13
- 11. Multiple ChoiceA dishwasher uses 65 gallons of water to wash 5 loads of dishes. What is the equation of variation?y = 13xy = 65xy = 5xy = 1/13x
- 12. Multiple ChoiceA dishwasher uses 65 gallons of water to wash 5 loads of dishes. How many gallons of water would be used to wash 12 loads?60 gallons780 gallons156 gallons12/13 gallons
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