Exploring Rational Expressions in M7 4 3 kz

What is the key characteristic of a proportional relationship?

• The quantities have different rates.

• The quantities are unrelated.

• The quantities change randomly.

• The quantities have the same rate of change.

In the example with cookies, why is the relationship considered non-proportional?

• The rates of sugar per dozen are not equal.

• The rates of sugar per dozen are increasing.

• The rates of sugar per dozen are all equal.

• The rates of sugar per dozen are decreasing.

What is the constant rate in the example comparing cost per item?

• $6 per item

• $5 per item

• $8 per item

• $7 per item

Why is the relationship between hours of snow and total accumulation considered non-proportional?

• All values are the same.

• The values are decreasing.

• None of the values are the same.

• Only two sets of values are the same.

In the example with green and red marbles, what makes the relationship non-proportional?

• All values are the same.

• None of the values are the same.

• Only one value is different.

• The values are increasing.

What is the unit price in the example with splitting dollars among items?

• 70 cents per item

• 85 cents per item

• 75 cents per item

• 80 cents per item

How many cups of sugar are needed per lemon in the lemonade example?

• 1 cup

• 1/2 cup

• 1/3 cup

• 1/4 cup

How much does Lucy spend on coffee in 5 days?

• $5.00

• $6.25

• $7.50

• $8.75

How many miles does a car travel in 8 hours at a constant speed of 52 miles per hour?

• 416 miles

• 500 miles

• 400 miles

• 450 miles

How many umbrellas does the company make in two weeks?

• 1,200 umbrellas

• 1,100 umbrellas

• 1,050 umbrellas

• 1,000 umbrellas