Number and Quantity

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

Use the relation i^2 = –1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers

Solve quadratic equations with real coefficients that have complex solutions
Lesson Sets

Use units to understand, guide the solution of, and interpret problems, graphs, and data displays
Lesson Sets 
Define appropriate quantities for the purpose of descriptive modeling

Choose a level of accuracy appropriate to limitations on measurement when reporting quantities

Explain how the meaning of rational exponents follows from extending the properties of integer exponents to those values

Rewrite expressions involving radicals and rational exponents
Lesson Sets 
Use properties of rational and irrational numbers