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- 1. Multiple Choice
If y is directly proportional to x, and y=20 when x=5, what is the equation connecting y and x?
20y=5x
y=5x
y=4x
y=(1/4) x
- 2. Multiple Choice
If y is directly proportional to x, and y = 24 when x = 2,
what is the equation connecting y and x?
y=12x
y=kx
12
y=k/x
12y=x
- 3. Multiple Choice
Is this table proportional?yesnoI'm not sure, I need extra help! - 4. Multiple Choice
What makes a graph proportional?
Linear
It goes through the origin
Curvy line
Linear and the line goes through the origin
- 5. Multiple ChoiceIs the graph proportional or non proportional?proportionalnon proportional
- 6. Multiple Choice
Which graph shows a proportional relationship?
- 7. Multiple Choice
What is the constant of proportionality for this table?
1/9
9
8
- 8. Multiple ChoiceWrite the equation for the table giveny = 1/3xy = 3xy = 1/2x
- 9. Multiple ChoiceIn the equation y = 14x, what is the constant of proportionality?yx14
- 10. Multiple ChoiceName the constant of proportionality.81663
- 11. Multiple ChoiceWhich of the given graphs is a direct variation?ABCD
- 12. Multiple Choice12 ounce shampoo bottle lasts Mike 16 weeks. How long would you expect an 18-ounce bottle of the same brand to last him?24 weeks6 weeks30 weeks20 weeks
- 13. Multiple ChoiceA 6-ounce package of fruit snacks contains 45 pieces. How many pieces would you expect in a 10-ounce package?25 pieces35 pieces75 pieces70 pieces
- 14. Multiple ChoiceA grading machine can grade 48 multiple-choice tests in 1 minute. How log will it take the machine to grade 300 tests?6 minutes6.25 minutes5.25 minutes5 minutes
- 15. Multiple ChoiceA shop produces 39 wetsuits every 2 weeks. How long will it take the shop to produce 429 wetsuits?18 wk20 wk22 wk24 wk
- 16. Multiple ChoiceSolve: 5 / 15 = 15 / w45334740
- 17. Multiple ChoiceDo the ratios form a proportion?
Yes, they form a proportion.No, they do not form a proportion. - 18. Multiple ChoiceLynnette can wash 95 cars in 5 days. How many cars does she wash each day?475 cars per day19 cars per day.05 cars per day15 cars per day
- 19. Multiple ChoiceHenry can write 5 ¼ pages of his novel in 3 hours. How many pages does he write per hour?15.25 pages per hour15.75 pages per hour1.75 pages per hournot here
- 20. Multiple ChoiceHow are rates and unit rates similar?They both are fractions.They both compare two different quantities of information.They are not similar at all.not here
- 21. Multiple ChoiceA unit rate is a ratio in fraction form that has a _____________________________ of 1.numeratorbottom numberfractiondenominator
- 22. Multiple ChoiceJenny has 3 guitars. Steve has 4 guitars. If the ratio of guitars is 4:3, who is first in the ratio?JennySteveIt doesn't matterAndy Griffith
- 23. Multiple ChoiceChristina biked 36 miles in 6 hours. If she biked at a constant speed, how many miles did she ride in one hour?6 mph216 mph30 mph42 mph
- 24. Multiple ChoiceSargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.SargentoVelveeta - 25. Multiple ChoiceOreos $2.98 for 15.5 oz.
or
Chips Ahoy $2.50 for 14 oz.
Find the unit price of each and choose the better deal.OreosChips Ahoy - 26. Multiple ChoiceCoca-Cola $1.29 for 1.25 L
or
Pepsi $2.49 for 2L
Find the unit price of each and choose the better deal.PepsiCoca-Cola - 27. Multiple ChoiceWhat is the direct variation?y=9/3xy=6xy=9xy=3x
- 28. Multiple Choicewhat is the constant of proportionality?y=5xy=6xy=30xy=jfoiwuyr98q27r98
- 29. Multiple ChoiceDetermine the direct variation.y=25y=10y=3987y=5x
- Answer choicesTagsAnswer choicesTags