- M.SRM.1
Know there is a complex number i such that i

^{2}= - 1, and every complex number has the form a + bi with a and b real.- M.SRM.2
Use the relation i

^{2}= -1 and the commutative, associative and distributive properties to add, subtract and multiply complex numbers.- M.SRM.3
Find the conjugate of a complex number; use conjugates to find moduli and quotients of complex numbers.