Proportional Relationships

Proportional Relationships

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Water Use

What is the Independent Variable?

What is the Dependent Variable?

What is the Rate of Change or Unit Rate?

Multiple Choice

What is the independent variable?

• Water Use

• Water Used (gal)

• Time (min)

Multiple Choice

What is the Dependent Variable?

• Water Use

• Water Used (gal)

• Time (min)

Multiple Choice

What is the Unit Rate?

• 5 minutes per gallon

• 5 gallons per minute

• 40 gallons per 8 minutes

• 8 minutes per 40 gallons

Multiple Choice

What is the Dependent Variable?

• Canoe Rental

• Hours

• Total Cost ($)

Multiple Choice

What is the Constant of Proportionality?

• 24

• 48

• 12

• 2

Multiple Choice

What is the equation for this graph?

• y = 12x

• y = 2x

• y = 24x

• y = 48x

Multiple Choice

What is the Independent Variable?

• Hiking Distance

• Distance (mi.)

• Time (Hr.)

Multiple Choice

In 10 hours, how many miles have been hiked?

• 10

• 12

• 8

• 16

Multiple Choice

What is the Unit Rate? (Remember, y/x)

• 1 mile per hour

• 1.2 miles per hour

• 1.5 miles per hour

• 2 miles per hour

Multiple Choice

What does weight on the moon depend on?

• How tall the object is

• How much it weighs on the moon

• Weight on Earth

• How much cheese you ate

Multiple Choice

If something weighs 30 pounds on earth, how much will it weigh on the moon?

• 10 lbs

• 8 lbs

• 5 lbs

• 150 lbs

Multiple Choice

If a person weighs 180 lbs on Earth, how much will he weigh on the moon?

• 5 lbs

• 10 lbs

• 20 lbs

• 30 lbs

Multiple Choice

If Miguel has saved $60, for how many months has he been saving?

• 2

• 4

• 6

• 8

Multiple Choice

What is the equation for this graph?

• y = 2x

• y = 10x

• y = 12x

• y = 15x

Multiple Choice

The equation for this graph is y = 15x. How can this be interpreted?

• Miguel will save for 15 months.

• Miguel saves $15 per month.

• Miguel has 15 exes.

• Miguel saves 15 months per dollar.

Multiple Choice

What is the constant of proportionality for this graph?

• 2

• 4

• 6

• 8

Multiple Choice

If the constant of proportionality is 6, how can this be interpreted for this graph?

• The sloth is slow.

• The sloth can walk 6 feet per minute.

• The sloth can walk 6 minutes per foot.

Multiple Choice

If the sloth walks for 30 minutes, how many feet will it have travelled?

• 150

• 180

• 200

• 250

Multiple Choice

If a sloth has travelled 360 feet, for how long has it been travelling?

• 5 minutes

• 100 minutes

• 600 minutes

• 60 minutes