Quadratic Graphs Explained

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Videos that will help to explain quadratic graphs and how to graph factored polynomials.

Why are all Quadratic Graphs U shaped?
The equation y = ax² + bx + c is the equation of a U-shaped graph (x²) plus the equation of a line (bx+c). If one pauses for a moment, it is not at all obvious that these two shapes added together give another U shape! We explain why in this follow-up video to graphing quadratics. Graphing Quadratics made Ridiculously Easy
Don't memorise the vertex formula as part of graphing a quadratic. Just go ahead and graph the thing. Let me show you the natural and easy way to do it! Graphing Factored Polynomials PART I
Part I of II of a video on graphing polynomials in factored form. Graphing Factored Polynomials PART II
Part II of II of a video on graphing polynomials presented to us in factored form