A11

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A11

Identify and interpret roots, intercepts, turning points of quadratic functions graphically; deduce roots algebraically and turning points by completing the square

A11-00 [Tricks of the Trade: How to draw a curve through two points]

A11-01 [Plotting y = x^2]

A11-02 [Introducing Parabolas]

A11-03 [Find the y-intercept Examples]

A11-04 [Identifying the Roots, y-intercept and Turning Point of a Parabola Example 1]

A11-05 [Identifying the Roots, y-intercept and Turning Point of a Parabola Example 2]

A11-06 [Identifying the Roots, y-intercept and Turning Point of a Parabola Example 3]

A11-07 [Identifying the Roots, y-intercept and Turning Point of a Parabola Example 4]

A11-08 [Spotting the Symmetry in a Table of Values]

A11-09 [Plotting y = x^2 + 1]

A11-10 [Plotting y = x^2 - 4]

A11-11 [Plotting y = x^2 - 2x]

A11-12 [Plotting y = x^2 + 6x +8]

A11-13 [Plotting y = x^2 - 4x + 4]

A11-14 [Plotting y = x^2 - 4x - 1]

A11-15 [Plotting y = -x^2]

A11-16 [Plotting y = -x^2 + 1]

A11-17 [Plotting y = -x^2 + 4x]

A11-18 [Plotting y = -x^2 - 2x + 3]

A11h-19 Introducing Completing the Square

A11h-20 Completing the Square Examples 1

A11h-21 Completing the Square Examples 2

A11h-22 Completing the Square with ax^2 + bx + c

A11h-23 Completing the Square Examples 3

A11h-24 Finding the Turning Point Examples