Sign up for FREE

Open Up - Grade 8 - Mathematics - Unit 5 - Lesson 15

Last updated 11 months ago

8 questions

1

1

1

1

1

1

1

1

Question 1

1.

A cylinder and cone have the same height and radius. The height of each is 5 cm, and the radius is 2 cm.

Calculate the volume of the cylinder and the cone.

Question 2

2.

The volume of this cone is 36π cubic units.
What is the volume of a cylinder that has the same base area and the same height?

Question 3

3.

A cylinder has a diameter of 6 cm and a volume of 36π cm3.

Sketch the cylinder.(Show Your Work)

Find its height and radius in centimeters.(Short Answer)

Label your sketch with the cylinder’s height and radius.(Show Your Work)

Question 4

4.

A cylinder has a diameter of 6 cm and a volume of 36π cm3.

Sketch the cylinder.(Show Your Work)

Find its height and radius in centimeters.(Short Answer)

Label your sketch with the cylinder’s height and radius.(Show Your Work)

Question 5

5.

Lin wants to get some custom T-shirts printed for her basketball team. Shirts cost $10 each if you order 10 or fewer shirts and $9 each if you order 11 or more shirts.

Make a graph that shows the total cost of buying shirts, for 0 through 15 shirts.(Show Your Work)

There are 10 people on the team. Do they save money if they buy an extra shirt?(Multiple Choice)

Yes, they could buy another shirt.

No, they cannot afford to buy another shirt.

Question 6

6.

Lin wants to get some custom T-shirts printed for her basketball team. Shirts cost $10 each if you order 10 or fewer shirts and $9 each if you order 11 or more shirts.

What is the slope of the graph between 0 and 10?

Question 7

7.

Lin wants to get some custom T-shirts printed for her basketball team. Shirts cost $10 each if you order 10 or fewer shirts and $9 each if you order 11 or more shirts.

What is the slope of the graph between 11 and 15?

Question 8

8.

In the following graphs, the horizontal axis represents time and the vertical axis represents distance from school. Write a possible story for each graph.

"Source: Open Up Resouces (Download for free at openupresources.org.)"