25 81 86 12 3 72 18 20 ∙ ∙

Unit 4 Study Guide (Sections 5.6-5.7, 6.1, 7.1-7.3)
Name _____________________________________________
You should be able to do the following…..

1. Simplify radicals (Section 5.6)
20

18
3  12
72
6 8
81
25
2. Rationalize the denominator (Section 5.6)
3
20
3
2
10
7

3. Solve equations by taking square roots (Section 5.6)

4. Add, subtract, and multiply with complex numbers (Section 5.7)

5. Simplify expressions by using exponent rules. Leave no negative exponents (Section 6.1)

6. Evaluate expressions with roots (Section 7.1)
3
 27
4
16
3
0
4
1

7. Solve equations by taking roots (Section 7.1)

8. Simplify expressions using properties of rational exponents (Section 7.2)

9. Solve radical equations (Section 7.3)