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 3Parent ID: B5E65E7781C74EED8E512DE4640349C7Standard set: High School — Algebra
Original statement
Quick facts
- Statement code
- CCSS.Math.Content.HSA-REI.B.4b
- List ID
- b.
- Standard ID
- 0FFB501D91484FAA99C233CC2BC725AA
- ASN identifier
- S1143657
- Subject
- Common Core Mathematics
- Grades
- 09, 10, 11, 12
- Ancestor IDs
- B5E65E7781C74EED8E512DE4640349C78414AF4D6EEE4A558D413C1AAC2BF4BCF3649C98928C4DD9A871468A2D24168A
- Source document
- Common Core State Standards for Mathematics (2010)
- License
- CC BY 3.0 US