Polynomials - Find Irrational and Imaginary Roots
Free Algebra Worksheet - Polynomials - Find Irrational and Imaginary Roots
Lesson:
To find irrational and imaginary roots of polynomials
Subject:
Algebra
Description:
This free algebra worksheets contains problems where students must find irrational and imaginary roots of polynomials. Problems include finding all roots, least positive roots, roots to 3 decimal places, finding 3rd degree equations given roots, and solving equations giving 1 root.
# of Problems: 11
# of Pages: 3
Answer Key?: Yes
Sample Problems from Worksheet
(Worksheet pictures and diagrams not shown)
Tutor-USA.com Worksheet
Polynomials – Irrational & Imaginary Roots
Find the roots indicated.
1) x3 - 3x2 - x + 2 = 0 (the least positive)
3) x3 - 7x + 7 = 0 (the 2 roots between 1 and 2)
Find the indicated roots (3 decimal places)
5) 3√6 =
Find the 3rd degree equation given the roots
7) 3, 2 - i
Solve the following equations given 1 root.
10) x3 - 4x2 + 9x - 36 = 0 (3i)
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