Direct Proportionality

What is the equation for the given graph?

Tags

CCSS.8.EE.B.5

Does the given graph show a direct variation?

• Yes

• No

What is the equation for the given graph?

Tags

CCSS.8.EE.B.5

The sales at a baseball game vary directly with the number of people attending.  If sales for a game are $12,000 when 800 people attend, determine attendance if sales are $30,000

• 1200 people

• 1500 people

• 2000 people

• 2400 people

Which of the following represents direct variation?

• y = kx

• y = k/x

• y = x/k

• y = mx + b

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

The distance it takes to stop a car varies directly as the square of the speed of the car. If it takes 112 feet for a car traveling at 40 miles per hour to stop, what distance is required for a speed of 65 miles per hour?

• 308.05 ft

• 295.75 ft

• 296.09 ft

• 253.5 ft

The time required to process a shipment of goods at Wal-Mart varies directly with the number of items in the

shipment and inversely with the number of workers assigned. If 15,000 items can be processed by 8 workers in 10 hours, then how long would it take 12 workers to process 20,000 items?

• 6.5 hours

• 7.75 hours

• 8.9 hours

• 10.2 hours

Find the missing length.

• 35

• 28

• 42

• 13

Tags

CCSS.HSG.SRT.B.4

Find the missing length indicated.

• 6

• 10

• 5

• 12

Tags

CCSS.HSG.SRT.B.4