The Complex Number System
PERFORM ARITHMETIC OPERTIONS WITH COMPLEX NUMBERS
MCC9-12.N.CN.1 Know there is a complex number i such that i2 = −1, and every complex number has the form a + bi with a and b real.
MCC9-12.N.CN.2 Use the relation i2 = –1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.
MCC9-12.N.CN.3 (+) Find the conjugate of a complex number; use conjugates to find moduli and quotients of complex numbers.
MCC9-12.N.CN.2 Use the relation i2 = –1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.
MCC9-12.N.CN.3 (+) Find the conjugate of a complex number; use conjugates to find moduli and quotients of complex numbers.
- Determine quotients of complex numbers only
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USE COMPLEX NUMBERS IN POLYNOMIAL IDENTITIES AND EQUATIONS
MCC9-12.N.CN.7 Solve quadratic equations with real coefficients that have complex solutions.