Units 1 - 3 Review (Performance Coach)

Which of the following are irrational numbers? Select all that apply.

• √49

• 7.508508507...

• 8/9

• √10

• 6.2̅5̅

The maximum speed an animal can walk in feet per second is s=5.7√L where L is the animal's leg length in feet. What is the maximum walking speed for a camel with a leg length of 5.7 feet?

• 5.7 feet per second

• 11.4 feet per second

• 13.6 feet per second

Select all the rational numbers.

• 128.5

• √15

• 6.415418...

• √81

• 13/5

NO CALCULATOR!

√74 is between 7 and 8.

• True

• False

NO CALCULATOR!

3√10 is between 9 and 10.

• True

• False

NO CALCULATOR!

4√2 is between 4 and 5.

• True

• False

NO CALCULATOR!

√29 is between 5 and 6.

• True

• False

Select all the terminating decimals.

• 12/5

• 4/11

• 25/6

• 3/20

• 4/21

Which numbers can be written as a ratio of two integers? (fraction) Select all that apply.

• -38

• √64

• 4.156̅8̅

• √125

• π

The equation y=33x describes the number of minutes (x) it takes a printer to print "y" pages in black and white. The table shows the number of minutes (x) it takes a printer to print "y" pages in color. Which kind of page can the printer print faster?

• Color because the rate of change is greater.

• Black and white because the rate of change is greater.

• Color because the initial value is greater.

• Black and white because the initial value is greater.