Math II · N-CN.8

Extend polynomial identities to complex numbers, such as factoring sums of squares over the complex numbers.

Extend polynomial identities to complex numbers, such as factoring sums of squares over the complex numbers.

Concept Number and Quantity
Domain The Complex Number System
Problem Types

Problem Templates In This Objective

9 problem types are attached to this objective. The full web app handles practice, answers, hints, and walkthroughs.

Template 1

Factor a sum of squares over the complex numbers using a²+b²=(a+bi)(a-bi)

4 variants
Template 2

Verify a sum-of-squares factorization over the complex numbers

4 variants
Template 3

Factor a sum of squares of the form x²+k over the complex numbers

4 variants
Template 4

Factor an expression of the form A²+B² over the complex numbers

4 variants
Template 5

Solve u²+b²=0 by factoring into complex conjugates

4 variants
Template 6

Decide whether a proposed algebraic identity is true for complex numbers

4 variants
Template 7

Factor polynomials completely over the complex numbers using the sum-of-squares identity

4 variants
Template 8

Compare separate real and complex linear factorizations

4 variants
Template 9

Simplify a product of complex conjugates

4 variants