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# 12 Days of Christmas: Day 9 – Peppa Pig Maths

Watching an episode of Peppa Pig this morning (Season 3, Episode 11) I was quite excited to see the quadratic formula on a board at Daddy Pig’s work.

I found it interesting that they wrote it with the $$\bigtriangleup$$ notation. I always introduce this notation for the discriminant but have never actually used it in the quadratic formula.