Day 5 - Direct Variation

Hotspot

Which of the following vertices would represent coordinates at (-4, 6)?

Hotspot

Which of the following vertices would represent coordinates at (0, 5)?

Hotspot

Which of the following vertices would represent coordinates at (-8, 0)?

Multiple Choice

3. If y varies directly as x, and y = 14 when x = 3, find y when x = 6.

• y= 28

• y= 7

• y= 18

• y= 84

Multiple Choice

4. If y varies directly as x, and y = 3 when x = 18, find y when x = 9.

• y= 225

• y= 75

• y= 27

• y= 1.5

Multiple Choice

5. If y varies directly as x, and y = 15 when x = 9, find y when x = 3.

• y= 12

• y= 5

• y= 27

• y= 45

Multiple Choice

13. Part A- Karen earns $28.50 for working 6 hours. If the amount m she earns varies with h the number of hours she works, which equation represents the proportional relationship?

• h= 4.75m

• m= 4.75h

• m= 171h

• m= 28.50h

Multiple Choice

13. Part B- Karen earns $28.50 for working 6 hours. If the amount m she earns varies with h the number of hours she works, how much will she earn for working 10 hours?

• $47.50 for working 10 hours

• $285.00 for working 10 hours

• $171.00 for working 10 hours

• $88.50 for working 10 hours

Multiple Choice

14. Part A- A bottle of 150 vitamins costs $5.25. If the cost c varies directly with the number of vitamins in the bottle, v, which equation represents the proportional relationship?

• c= 5.25v

• v= 0.035c

• c= 0.035v

• c= 28.57v

Multiple Choice

14. Part B- A bottle of 150 vitamins costs $5.25. If the cost c varies directly with the number of vitamins in the bottle, v, what should a bottle of 250 vitamins cost?

• $10.25 for 250 vitamins

• $8.75 for 250 vitamins

• $12.50 for 250 vitamins

• $8.25 for 250 vitamins

Multiple Choice

15. Part A- Morgan received $55.35 in interest on a $1230 in her bank account. If the interest (I) varies directly with the amount deposited (d), which equation represents the proportional relationship?

• I= 2.2%d

• I= 22.2%d

• d= 4.5%I

• I= 4.5%d

Poll

Exit Ticket Answer Choices

• A

• B

• C

• D