Complex Polynomials Roots
Quiz
•
Mathematics
•
10th - 11th Grade
•
Practice Problem
•
Hard
+3
Standards-aligned
Barbara White
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28 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Use the Complex Conjugate Root Theorem to state another complex solution. Given that 3+5i is a root.
Tags
CCSS.HSN.CN.A.3
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Use the Complex Conjugate Root Theorem to state another complex solution. Given that -7i is a root.
Tags
CCSS.HSN.CN.A.3
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the total number of roots for the following equation?
ax5+ bx4+ cx3+ dx2+ ex+ f = y
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of these is a possible root of the polynomials?
x3 - 6x2 - x + 30
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is another way to say "where a function crosses the x-axis"?
Tags
CCSS.HSF-IF.C.7C
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Write a polynomial with roots at 2 and 3-2i in standard form.
x3 - 7x2 + 25x - 21
x3 - 8x2 + 25x - 26
- 8x2 - 26
x2 + 6ix - 4i
Tags
CCSS.HSA.APR.B.3
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
What is the degree of the polynomial:
f(x) = -4x + 5x3 - 2x2
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