Complex Proportional Relationships

What describes an inverse proportional relationship?

• When one value increases, the other decreases.

• Both values increase at the same rate.

• Values remain constant over time.

• Both values decrease simultaneously.

Which equation represents direct proportionality?

How does a hyperbolic graph represent a relationship?

• It shows linear growth.

• It shows inverse proportionality.

• It shows exponential growth.

• It shows constant values.

What is the product of two variables in an inverse proportion?

• It decreases as one increases.

• It remains constant.

• It increases as one increases.

• It becomes zero when either is zero.

Which of these is an example of direct proportionality?

• Total cost of apples increases with quantity.

• Time decreases as speed increases.

• Pool draining time reduces with more pumps.

• Pizza slices per person reduce as people increase.

If 5 workers take 20 hours, how long will 10 workers take?

• 10 hours

• 15 hours

• 20 hours

• 25 hours

A graph passes through (0, 0) and has a slope of 5. What is the equation?

If 30 drivers finish a task in 6 days, how long will 15 drivers take?

• 10 days

• 12 days

• 14 days

• 16 days

A diver descends, and pressure doubles at 20m compared to 10m. What type of relation is this?

• Direct proportionality

• Linear proportionality

• Exponential growth

• Inverse proportionality

• A straight line through the origin.

• A parabola.

• A hyperbolic curve.

• A vertical line.