# precalculus

express the roots of unity in standard form a+bi.
1.) cube roots of unity

2.) fourth roots of unity

3.) sixth roots of unity

4.) square roots of unity

1. 👍
2. 👎
3. 👁
1. The following link will explain in detail the roots of unity.

If you have answers to be checked, feel free to post them.

1. 👍
2. 👎
2. I don't see the link. I don't think this website allows you to put up links

1. 👍
2. 👎
3. Sorry, it was my omission.

http://en.wikipedia.org/wiki/Root_of_unity

1. 👍
2. 👎

## Similar Questions

1. ### Alegbra 2

Use the rational root theorem to list all possible rational roots for the equation. X^3+2x-9=0. Use the rational root theorem to list all possible rational roots for the equation. 3X^3+9x-6=0. A polynomial function P(x) with

2. ### Biology

Which of the following statements correctly compares the functions of a plant's roots and stem? The stem contains a high percentage of cells that provide structural support, unlike the roots. The stem is the first part of the

3. ### Math

Use graph of the function f(x)=x2 to find how the number of roots of the equation depends on the value of b. a)x^2=x−b If b < ANSWER, the equation has 2 roots. If b = ANSWER, the equation has 1 root. If b > ANSWER, the equation

4. ### algebra

if a quadratic equation with real coefficents has a discriminant of 10, then what type of roots does it have? A-2 real, rational roots B-2 real, irrational roots C-1 real, irrational roots D-2 imaginary roots

1. ### Math

Use graph of the function f(x)=x2 to find how the number of roots of the equation depends on the value of b. x^2=bx−1 If b is on the interval ( , ) ∪ ( , ), the equation has two roots. If b equals to , , the equation has one

2. ### Math

Find the two square roots of 5-2i in the form a+bi, where a and b are real. Mark on an Argand diagram the points P and Q representing the square roots. Find the complex number of R and S such that PQR and PQS are equilateral

3. ### pre-calculus

find the cube roots of -216 answer in polar form

In this problem you will use Rolle's theorem to determine whether it is possible for the function f(x) = 8 x^{7} + 7 x - 13 to have two or more real roots (or, equivalently, whether the graph of y = f(x) crosses the x-axis two or

1. ### mathematics

Use the discriminant to determine the number of real roots the equation has. 3x2 – 5x + 1 =0 A. One real root (a double root) B. Two distinct real roots C. Three real roots D. None (two imaginary roots)

2. ### pre-calculus

find the cube roots of -216 answer in polar form and complex

3. ### Math

If A= and B=, find the magnitude and direction angle for -2A +3B Find all specified roots: Cube roots of 8i A parallelogram has sides of length 32.7cm and 20.2cm. If the longer diagonal has a length of 35.1cm, what is the angle

4. ### Precalculus

Express your answer in the form found using Euler's Formula, The cube roots of 2 + 3i