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.
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!
Part I of II of a video on graphing polynomials in factored form.
Part II of II of a video on graphing polynomials presented to us in factored form
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