HW #5 (Direct Variation Practice)

1. Which of these graphs represent direct variation?

• a

• b

• c

• None of them!!!

2a. Complete the table so y varies directly with x in each table.

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2b. Complete the table so y varies directly with x in each table.

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2c. Complete the table so y varies directly with x in each table.

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3.

• 12 ounces

• 13 ounces

• 18.75 ounces

• 15 ounces

Tags

CCSS.6.EE.B.6

4.

• 220 miles

• 0.55 miles

• 102 miles

• 153.5 miles

5. (Part 1) If an amateur diver can safely stand an added pressure of 30 psi, how deep could he or she dive?

• 66.666... feet

• 13.5 feet

• 41 feet

• 30 feet

Tags

CCSS.7.EE.B.4A

5. (Part 2) A sunken submarine lies in 120 feet of water. How much added pressure would a diver experience in going to the submarine?

• 54 psi

• 266.666 psi

• 90 psi

• Watch out for sharks!