## Examples

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

## Desmos

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

## GeoGebra

1. Standard form, factored form, vertex form  10 March 2022
2. Wind Triangle  01 March 2022