Solve quadratic equations by inspection (e.g., for x² = 49), taking square roots, completing the square, the quadratic formula and factoring, as appropriate to the initial form of the equation. Recognize when the quadratic formula gives complex solutions and write them as a ± bi for real numbers a and b.
Standard detail
CCSS.Math.Content.HSA-REI.B.4b
Component
Depth 4Parent ID: 31AF074896E041D3827D967A969F4937Standard set: Grades 9, 10, 11, 12
Original statement
Quick facts
- Statement code
- CCSS.Math.Content.HSA-REI.B.4b
- List ID
- b.
- Standard ID
- 172B43C5F189481197FB23617D9A2AB9
- ASN identifier
- S1143657
- Subject
- Common Core Mathematics
- Grades
- 09, 10, 11, 12
- Ancestor IDs
- 31AF074896E041D3827D967A969F493789E62CFF5D4E46BE85A087EE08A9C740D7495F4F24194A898945E890F6CC1AFAD38BE400793146F9B44B14C4329AD28A
- Source document
- Common Core State Standards for Mathematics (2010)
- License
- CC BY 3.0 US