Chapter 9 Review

Which of the following numbers is an irrational number?

• Between 3 and 3.1

• Between 3.1 and 3.2

• Between 3.2 and 3.3

• Between 3.3 and 3.4

Which of the following is a rational number?

A right triangle has legs of lengths 6 and 8. What is the length of the hypotenuse?

• 10

• 12

• 14

• 16

A ladder is leaning against a wall. The foot of the ladder is 9 feet from the wall, and the ladder is 15 feet long. How far up the wall does the ladder reach?

• 12 feet

• 13 feet

• 10 feet

• 14 feet

Find the distance between the points (1, 2) and (4, 6) on a coordinate plane.

• 3

• 4

• 5

• 6

What is the distance between the points (-2, 1) and (3, 5) on a coordinate plane?

• 5

• 6

• 7

• 8