1.1 Independent and Dependent Quantities

What is the dependent quantity?

• distance to the grocery store, in miles

• Sarah's house

• time, in minutes

• distance from Sarah's house, in miles

What is the independent quantity?

• name of his school

• section of books at the library

• time, in hours

• distance from Carlos's house, in miles

What is the independent quantity?

• time, in minutes

• height from the ground, in feet

• elevation from the point it started to descent, in feet

What is the dependent quantity?

• time, in minutes

• height from the ground, in feet

• elevation from the point it started to descent, in feet

Angela’s grandfather gave her all the cash he had in his pocket to buy raffle tickets that cost $1 each for her cheerleading fundraiser.

What is the dependent quantity?

• Amount of money in Angela's grandfather's pocket

• Number of raffle tickets purchased.

Angela’s grandfather gave her all the cash he had in his pocket to buy raffle tickets that cost $1 each for her cheerleading fundraiser.

What is the independent quantity?

• Amount of money in Angela's grandfather's pocket

• Number of raffle tickets purchased.

A botanist has determined that there is a relationship between how much a certain plant grows and how much water it receives.

What is the dependent quantity?

• Amount of Water

• Plant's growth

A botanist has determined that there is a relationship between how much a certain plant grows and how much water it receives.

What is the independent quantity?

• Amount of Water

• Plant's growth

What is the maximum point of the graph and what does it mean in the problem situation?

• (50, 0); Sam took 50 minutes to descend down to the ground.

• (50, 2250); Sam reached a height of 2250 feet in 50 minutes.

• (0, 2250); Sam started his descent from a height of 2250 feet.

Kathy has different-sized soup cans that are in the shape of a cylinder. She knows there is a relationship between the surface area of each can and the length of its radius. What is the dependent quantity in the situation?

• volume of the soup can

• height of the cylinder

• length of the radius

• surface area of the soup can