Wednesday, 14 June 2023

Perpendicular Gradient Rule


I was going through some AS Maths Questions with some students and I was surprised that none of them had met the Perpendicular Gradient Rule

Gradient of Line 1 x Gradient of Line 2 = -1 if perpendicular

No comments:

Post a Comment

Testing the Reactivity of Metals in Acid

  Testing the Reactivity of Metals in Acid GCSE Chemistry The reactivity series is one of the most important ideas in GCSE Chemistry. It h...