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Finding the maximum or minimum of a quadratic function

This shows how to decide whether you are seeking a maximum or minimum value for a quadratic function and then how to find the vertex of i ts parabola to deternine the x-value that locates the min…

From  Tom Grant 11 plays 0  

Finding the roots of a quadratic equation with leading coefficient greater than 1

This is a quadractic equation that can be factored to solve it. The zero product property allows writing the factors each equal to 0 and then solving those linear equatioins.

From  Tom Grant 11 plays 0  

Finding x- and y-intercepts of a line given the equation: Basic

Shows how to substitute zero for y to find the x-intercept and zero for x to find the y-intercept.

From  Tom Grant 29 plays 0