Unit 5 Review

Inputs & Outputs

100

y = x -10, What is y when x is 15?

y = 5

200

If the function is to multiply by 4 and the input is 16, what is the output?

64

300

y = x -5, What is y when x is 15?

y = 10

400

When you input 15 does this function have an output of 10, meaning that the (x,y) point (15,10) is a point of the function?

y = x - 10  

y = 5; no

500

When you input 15 does this function have an output of 10, meaning that the (x,y) point (15,10) is a point of the function?

y = x - 5

y = 10; yes

Increasing, Decreasing, Staying the Same

100

Look at the graph on slide 10. Is the pink section of the graph increasing, decreasing, or staying the same?

increasing

200

Look at the graph on slide 10. Is the green section of the graph increasing, decreasing, or staying the same?

staying the same

300

Look at the graph on slide 10. Is the blue section of the graph increasing, decreasing, or staying the same?

decreasing

400

Looking at the table and graph on slide 12. True or False: The initial value is 40 gallons of water.

False, it's 30 gallons of water.

500

Looking at the table and graph on slide 12. True or False: The water tank is filling up. (INCREASING)

False

Identify the Formula

100

2 times the radius equals the _______.

diameter

200

The diameter divided by 2 equals the _________.

radius

300

Is this formula: Volume = pir²h

for finding the volume of a cone, cylinder, or sphere?

The volume of a cylinder.

400

Is this formula: Volume = 1/3pir²h

for finding the volume of a cone, cylinder, or sphere?

The volume of the cone.

500

Is this formula: Volume = 4/3pir³h

for finding the volume of a cone, cylinder, or sphere?

The volume of a sphere.

Finding the Volume

100

Find the volume of a cylinder when the radius is 10cm.

V=3,769.9 cm³

200

Find the volume of a cone when the radius is 6 in. 

V = 414.7in³

300

A cylinder has a volume of 78 Cm .

What is the volume of a cone with the same radius
and height? (Hint: how many cones does it take to fill a cylinder?)

26 cm³

400

What is the volume of a sphere with a radius of 3 ft and a height of 7ft?

V = 263.89 ft³

500

A cylinder has a volume of 36cm³.

What is the volume of a cone with the same radius and height?

Hint: A cone is 1/3 of a cylinder.

Volume - 12 cm³