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7.4 – Roots of Real Numbers. Real vs. Imaginary Roots – opposite of exponents!

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Presentation on theme: "7.4 – Roots of Real Numbers. Real vs. Imaginary Roots – opposite of exponents!"— Presentation transcript:

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


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