Mastering Division of Rational Numbers

What is the result of dividing a positive number by another positive number?

• Undefined

• Zero

• Positive

• Negative

If you divide a positive number by a negative number, what is the result?

• Positive

• Negative

• Undefined

• Zero

What is the change in the volume of water after one minute if the water drains at a constant rate of -3 and 3/5 gallons in 6 minutes?

• 1/2 gallons

• -1/2 gallons

• 3/5 gallons

• -3/5 gallons

How much time does it take for a submarine to reach the sea bottom located at -3/4 kilometers if it changes location by -0.06 kilometers each minute?

• 10 minutes

• 12.5 minutes

• 15 minutes

• 20 minutes

What is the change in water level each day if the level changes by -2.31 inches over 3.5 days?

• 0.66 inches

• 0.75 inches

• -0.66 inches

• -0.75 inches

How long will it take for an anchor to reach the bottom of a lake if it drops 17.5 feet at a rate of 0.07 feet per second?

• 350 seconds

• 300 seconds

• 250 seconds

• 200 seconds

If a tanker truck fills a reservoir at a rate of 12.5 gallons per minute and the reservoir is now 35 gallons full, how long has the tanker been filling the reservoir?

• 2.8 minutes

• 3.2 minutes

• 3 minutes

• 2.5 minutes

What is the result of dividing a negative number by another negative number?

• Positive

• Negative

• Undefined

• Zero

What is the result of dividing a negative number by a positive number?

• Negative

• Zero

• Undefined

• Positive

What is the result of dividing a positive number by a negative number?

• Undefined

• Zero

• Positive

• Negative