The last bit of new material for this unit reverses the solving-by-factoring process we have been using for quadratic equations, recreating the equation that has the given roots.

This last item, including everything else from this unit, will appear on the **Unit 3 test on Thursday, December 19**

## Today’s Links

- Copy of Class Notes
- HW 3.15 – Finding Quadratic Equations from Roots
- Lesson Video 1 (finding a polynomial from its zeroes – note that this video shows a three-factor polynomial, producing a cubic. The process is the same)
- See another example here.

- Video Archive

## Cumulative IXL Modules

- Solve a quadratic equation using the zero product property
- Solve a quadratic equation by factoring
- Solve a quadratic equation using the quadratic formula
- Solve a quadratic equation using square roots
- Multiply radical expressions
- Identify the direction a parabola opens
- Find the vertex of a parabola
- Find the axis of symmetry of a parabola
- From Algebra 1