The Complex Number System
HSN.CN.A.1
9th Grade · Common Core Standards
Standard
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.
Study materials
Study guide, practice problems, review, and practice test for this standard.
- Study GuideComing soon
- Practice ProblemsComing soon
- ReviewComing soon
- Practice TestComing soon
- Answer keyComing soon
© Common Core State Standards Initiative. Used under CC BY 4.0. See thecorestandards.org for the official standards.