second derivative test   4 videos

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  Deriving the Quadratic Formula

  Algebra 2 Quadratic Equations and Inequalities

  How to derive the quadratic formula by completing the square.

  functions domain parent functions inequalities interval notation
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  Applied Linear Inequalities

  Algebra 2 Linear Inequalities

  How to find a test score to keep the class grade at least 90%.

  applied linear inequality word problem average score test word problem
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  The Circle

  Algebra 2 Conic Sections

  How to use the distance formula to derive the equation for a circle.

  circle center radius distance formula equation for a circle
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  Graphing a Quadratic Inequality

  Algebra 2 Quadratic Equations and Inequalities

  How to graph a quadratic inequality.

  parabola inequality shading less than greater than test point