Common Core · Mathematics
N-CN.9
High school · High School: Number & Quantity — The Complex Number System
(+) Know the Fundamental Theorem of Algebra; show that it is true for quadratic polynomials.
- Official code
- CCSS.MATH.CONTENT.HSN-CN.9
- Short code
- N-CN.9
- Subject
- Mathematics
- Grade
- High school
- Domain
- High School: Number & Quantity — The Complex Number System
More High school High School: Number & Quantity — The Complex Number System standards
N-CN.1
Know there is a complex number i such that i² = —1, and every complex number has the...
N-CN.2
Use the relation i² = —1 and the commutative, associative, and distributive properties...
N-CN.3
(+) Find the conjugate of a complex number; use conjugates to find moduli and...
N-CN.4
(+) Represent complex numbers on the complex plane in rectangular and polar form...
N-CN.5
(+) Represent addition, subtraction, multiplication, and conjugation of complex...
N-CN.6
(+) Calculate the distance between numbers in the complex plane as the modulus of the...
N-CN.7
Solve quadratic equations with real coefficients that have complex solutions.
N-CN.8
(+) Extend polynomial identities to the complex numbers.
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