This is a self assessment of the characteristics of the coefficients a, b and c of the general form of quadratic function y = a x^2 + b x +c .
A quadratic graph is shown and students are asked to state the signs of the coefficients.
The original author is Simona Riva and the resource is at
https://www.geogebra.org/m/km2gbjrh
This copy is made to change the terminology to suit local names in Singapore
