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Axis of symmetry
- Axis of symmetry
- X = (-b/2a)
- Answer > 0 = 2 x intercepts
- Answer = 0 = 1 x intercept (vertex)
- Answer < 0 = imaginary
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Quadratic
- -b (+-)((b2-4(a)(c))1/22(a)
OR
- -b(+-)[(b2-4(a)(c))1/2]
- ______________________
- 2(a)
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Types of quadratic
- Type 1: Shifts up/down
- Type 2: Shifts left/right (oppisite rule)
- Type 3: Stretch/compress ( possably flip)
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