In this Khan Academy interactive, students will determine the unknown whole number …
In this Khan Academy interactive, students will determine the unknown whole number in an addition or subtraction equation involving three whole numbers.
This video rewrites the equation y=-5x^2-20x+15 in vertex form (by completing the …
This video rewrites the equation y=-5x^2-20x+15 in vertex form (by completing the square) in order to identify the vertex of the corresponding parabola.
Different forms of quadratic functions reveal different features of those functions. Here, …
Different forms of quadratic functions reveal different features of those functions. Here, students will see how Sal rewrites f(x)=x^2-5x+6 in factored form to reveal its zeros and in vertex form to reveal its vertex.
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