Understanding Roots of Polar Numbers

Understanding Roots of Polar Numbers

Assessment

Interactive Video

Created by

Olivia Brooks

Mathematics

9th - 12th Grade

Hard

11:49

10 questions

Show all answers

1.

MULTIPLE CHOICE

30 sec • 1 pt

What is the principal root when finding the nth root of a polar number?

2.

MULTIPLE CHOICE

30 sec • 1 pt

How can the square root of a polar number be expressed using exponents?

3.

MULTIPLE CHOICE

30 sec • 1 pt

When finding the cube root of a polar number, what happens to the angle?

4.

MULTIPLE CHOICE

30 sec • 1 pt

What is the result of applying De Moivre's Theorem to find the fifth root of 32 CIS 150?

5.

MULTIPLE CHOICE

30 sec • 1 pt

What is the fourth root of negative 16 in polar form?

6.

MULTIPLE CHOICE

30 sec • 1 pt

How is the cube root of 8i expressed in polar form?

7.

MULTIPLE CHOICE

30 sec • 1 pt

What is the principal root of the fourth root of 81?

8.

MULTIPLE CHOICE

30 sec • 1 pt

How many fourth roots does the number 81 have?

9.

MULTIPLE CHOICE

30 sec • 1 pt

What is the significance of the principal root in solving equations?

10.

MULTIPLE CHOICE

30 sec • 1 pt

What is the process of finding the nth root of a polar number using De Moivre's Theorem?

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