Tags » Quadratic

Mathematical discrimination in the brave new world of Common Core

Merriam Webster
discriminating
adjective dis·crim·i·nat·ing

: liking only things that are of good quality

: able to recognize the difference between things that are of good quality and those that are not… 230 more words

Teaching

Hannah's sweet GCSE question that went viral

After a recent Edexcel GCSE paper students took to twitter to vent their frustration at the question which arose in their exam. This question stated that “There are n sweets in a bag, 6 of these are orange the rest are yellow. 231 more words

Algebra : Line and Curve intersects

Given a line y = x + c and curve y = x² − 4, will they intersect ? Line y = x + c consists of an infinite number of parallel lines depending on value of c. 191 more words

Additional Mathematics

Algebra : Quadratic Inequalities

First for some humour :

“A chemist, a physicist and a mathematician are stranded on an island when a can of food rolls ashore. The chemist and the physicist comes up with many ingenious ways to open the can. 197 more words

Additional Mathematics

Algebra : Quadratic Functions : Maxima and minima values

An expression, f(x) or y = ax² + bx + c is a quadratic function. The shape is a parabola and depends on whether a is positive or negative value. 166 more words

Additional Mathematics

Adding colour to Sequences

After browsing the ever excellent Don Steward’s Median site for sequences, I found this on Linear and Quadratic growths.

It got me thinking about using shapes to represent sequences and in particular using different colours to represent different sequences laid on top of each other.   123 more words

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