N5 – Using the Discriminant
Using the Discriminant to determine the number of REAL solutions to a quadratic equation.
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Higher Maths – The Straight Line : WHOLE UNIT!
This video teaches you everything in the higher maths straight line unit. It covers: 0:00 – The Distance Formula 07:35 – The Midpoint Formula 12:31 – How To Show Points Are Collinear 17:24 – How To Calculate The Gradient From An Angle 25:46 – How To Calculate The Gradient Of Perpendicular Lines 32:20 – How…
