# Examples

## Examples

- Vertex form of quadratic polynomial \(2x^2+x-1\) 20 June 2022
- Vertex form of quadratic polynomial \(6x^2+7x-3\) 20 June 2022
- Vertex form of quadratic polynomial \(3x^2-5x-12\) 20 June 2022
- Vertex form of quadratic polynomial \(6x^2+5x-6\) 20 June 2022
- Translating standard form quadratics to focus-directrix form \(\) 20 June 2022
- Rational expression \(\frac{1}{4x+1}-\frac{1}{3}+\frac{1}{2x-3}\) 20 June 2022
- Rational expression \(\frac{1}{x-2}+\frac{x-1}{x+2}-1\) 20 June 2022
- Quadratic formula \(4x^2+4x-7\) 20 June 2022
- Factoring a quadratic polynomial in standard form \(ax^2+bx+c\) 20 June 2022
- Intersections of parabolas and lines \(\) 20 June 2022
- Radius of curvature of a parabola at its vertex \(\) 20 June 2022
- Graspable Math \(\) 20 June 2022
- The focus and directrix of a parabola \(\) 20 June 2022
- Translating focus-directrix form to vertex form \(\) 20 June 2022
- Ray Optics Simulation \(\) 20 June 2022
- Edmund Optics Large Parabolic Reflectors \(\) 20 June 2022

## Desmos

- Riemann sums \(\prod_{k=1}^K\vert \sin(kx)\vert\) 04 May 2022
- Riemann sums \(2^{x}\) 03 May 2022
- Riemann sums \(\sin\Big(\frac{x^{2}}{4}\Big)\) 02 May 2022
- Riemann sums \(x^{2}\sin(x)\) 01 May 2022
- Discriminant, vertex form and factored form \(2x^2+x-1\) 01 April 2022

## GeoGebra

- Standard form, factored form, vertex form \(\) 10 March 2022
- Wind Triangle \(\) 01 March 2022