WebAlgebra. This page lists recommended resources for teaching algebraic topics at Key Stage 3/4. Huge thanks to all individuals and organisations who share teaching resources. In … WebThe inverse operation of taking the square is taking the square root. However, unlike the other operations, when we take the square root we must remember to take both the positive and the negative square roots. Now solve a few similar equations on your own. Problem 1. Solve x^2=16 x2 = 16. x=\pm x = ±. Problem 2.
Solving quadratics by taking square roots - Khan Academy
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Solving quadratic equations by formula corbettmaths
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