Algebra 2 2.2 Direct Variation

In a direct variation, y = 39 when x = 3. 
Find the value of y when x = 2.

• 26
• 3
• 58.5
• 2

The 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

Tags

CCSS.6.RP.A.3C

Trina's paycheck earnings varies directly as the number of hours she works. If she works 19 hours and earns $187.15, what should she earn if she worked 40 hours? 

• $394
• $440
• $472.80
• $512.20

The interest received on a savings account varies directly with the amount deposited. Daniel received $55.35 in interest on $1230 he deposited. How much interest would Daniel have received if he had deposited $2000 into his account?

• 34.04
• 90.00
• 1,285.35
• 44,444.44

The amount of money earned on a job is directly proportional to the number of hours worked. if $36 is earned for 8 hours of work, how much is earned for 30 hours of work?

• 135

• 6.667

• 1080

Is this a direct variation?

• yes
• no

Is this a direct variation?

• yes
• no

What ordered pair does a direct variation always go through when graphed?

• (0, 0)
• (1, 0)
• (0, 1)
• (1, 1)

 Y varies directly with x, and y is 84 when x is 16. Which equation represents this situation?

• y=1344x
• y=100x
• y=5.25x
• y=4/21x

If y = 15 when x = 12 find y when x = 32.

• y = (5/4)x; 40
• y= (4/5)x; -40
• y= 4x; 5
• y= 5x; -5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2