High School: Number and Quantity
HSN.CN.C8
(+) Extend polynomial identities to the complex numbers. For example, rewrite x² + 4 as (x + 2i)(x – 2i).
October 1, 2018HSN.CN.C9
(+) Know the Fundamental Theorem of Algebra; show that it is true for quadratic polynomials.
October 1, 2018HSN.Q.A1
Use units as a way to understand problems and to guide the solution of multi-step problems; choose and interpret units consistently in formulas; choose and interpret the scale and the origin in graphs and data displays.
October 1, 2018HSN.Q.A3
Choose a level of accuracy appropriate to limitations on measurement when reporting quantities.
October 1, 2018HSN.CN.A1
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.
October 1, 2018HSN.CN.A2
Use the relation i² = -1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers.
October 1, 2018