1. 7.4 – Roots of Real Numbers

2. Real vs. Imaginary

3. Roots – opposite of exponents!

4. Real vs. Imaginary Roots – opposite of exponents! Ex. 1 Use a calculator to approximate each value to three decimal places. a. b. c. d.

5. Real vs. Imaginary Roots – opposite of exponents! Ex. 1 Use a calculator to approximate each value to three decimal places. a. = 0.924 b. = c. = d. =

6. Real vs. Imaginary Roots – opposite of exponents! Ex. 1 Use a calculator to approximate each value to three decimal places. a. = 0.924 b. = no sol. c. = d. =

7. Real vs. Imaginary Roots – opposite of exponents! Ex. 1 Use a calculator to approximate each value to three decimal places. a. = 0.924 b. = no sol. c. = 2.15 d. =

8. Real vs. Imaginary Roots – opposite of exponents! Ex. 1 Use a calculator to approximate each value to three decimal places. a. = 0.924 b. = no sol. c. = 2.15 d. = 2.26

9. Ex. 2 Simplify. a. = b. = c. 8 = d. 2 6 = e. 10 =

10. Ex. 2 Simplify. a. = ±5 b. = c. 8 = d. 2 6 = e. 10 =

11. Ex. 2 Simplify. a. = ±5 b. = -3 c. 8 = d. 2 6 = e. 10 =

12. Ex. 2 Simplify. a. = ±5 b. = -3 c. 8 = x 2 d. 2 6 = e. 10 =

13. Ex. 2 Simplify. a. = ±5 b. = -3 c. 8 = x 2 d. 2 6 = 4xy 3 e. 10 =

14. Ex. 2 Simplify. a. = ±5 b. = -3 c. 8 = x 2 d. 2 6 = 4xy 3 e. 10 = (5g) 5

15. Ex. 2 Simplify. a. = ±5 b. = -3 c. 8 = x 2 d. 2 6 = 4xy 3 e. 10 = (5g) 5 = 3125g 5