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Algebra I (Eureka Math/EngageNY) (K-A)
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Module 3: Linear and exponential functions (K-A)
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Module 4: Polynomial and quadratic expressions, equations, and functions (K-A)
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Topic B: Lessons 14-15: The quadratic formula (K-A)
Topic B: Lessons 14-15: The quadratic formula (K-A)
S#
Lecture
Course
Institute
Instructor
Discipline
1
Proof of the quadratic formula (K-A)
Topic B: Lessons 14-15: The quadratic formula (K-A)
Khan Academy
Basic and Health Sciences
2
The quadratic formula (K-A)
Topic B: Lessons 14-15: The quadratic formula (K-A)
Khan Academy
Basic and Health Sciences
3
Using the quadratic formula (K-A)
Topic B: Lessons 14-15: The quadratic formula (K-A)
Khan Academy
Basic and Health Sciences
4
Using the quadratic formula: number of solutions (K-A)
Topic B: Lessons 14-15: The quadratic formula (K-A)
Khan Academy
Basic and Health Sciences
5
Worked example: quadratic formula (example 2) (K-A)
Topic B: Lessons 14-15: The quadratic formula (K-A)
Khan Academy
Basic and Health Sciences
6
Worked example: quadratic formula (K-A)
Topic B: Lessons 14-15: The quadratic formula (K-A)
Khan Academy
Basic and Health Sciences
7
Worked example: quadratic formula (negative coefficients) (K-A)
Topic B: Lessons 14-15: The quadratic formula (K-A)
Khan Academy
Basic and Health Sciences