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Video Details

Title: Solving simple quadratic equations

Section: Introduction to quadratic equations and graphs

Course: Essential Mathematics Year 9

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Solving simple quadratic equations
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About Lesson

This is the second video in the Year 9 Mathematics series looking at quadratic equations. I love quadratics and this video will give a sense of why. Solving simple quadratic equations is awesome. When you identify them as being of the form ax^2 -d=0, you know that you can factorise, use DOPS, the null factor law and then you have the crossing points on your x-axis, otherwise known as your solutions. OK. It's hard to explain in writing and so this video looks at a number of examples and uses DESMOS.com to show you what a solutions is and how to find it for simple quadratic equations.

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