NAME _____________________________________________ DATE ____________________________
Lesson 7 Homework Practice
The Real Number System
Classify each number by determining all sets of numbers to which it belongs. Then write each
number in the Venn diagram below.
1. 19
4.
8
4
2. –6
3. 0
5. 0.16̅
6. –√11
Determine whether each statement is true or false. If the statement is true, explain your
reasoning. If the statement is false, provide a counterexample.
7. All whole numbers are natural numbers.
8. All irrational numbers are real numbers.
9. All rational numbers are integers.
10. The formula r = 0.565√A can be used to approximate the distance a light beam from a
lighthouse can reach given the area (in square miles) that the light beam covers. Use the
formula to estimate the distance the light beam covers if the area it covers is 1,000 mi2.
Course 3 • Chapter 1
Real Numbers
PERIOD ____________