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Gives the three possible answers that result from calculating a discriminant, then demonstratew with two different quadratic equations.
Discriminant of a quadratic equation
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Demonstrates the quickest way to find a minimum or maximum value for a quadratic function.
Finding Minimum and Maximum Values
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This demonstrates how some quadratic equations need to be simplified and put in standard form before the quadratic expression can be factored so the factors can be set…
Finding the roots of a quadratic equation needing…
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This type of equation is solved by factoring a GCF from both terms once the proper form is achieved. Then the zero product property allows the separation of the two…
Finding the roots of a quadratic equation of the…
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This applies the factoring methods learned previously to solving a quadratic equation in standard form, that is with all th eterms on the left of the equals sign and 0…
Finding the roots of a quadratic equation with…
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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…
Finding the roots of a quadratic equation with…
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Shows how to ofirst find the coordinates of the vertex, then choose other inputs to find two more points on each side of the vertex, plott them and draw the graph.
Graphing a parabola of the form y =- ax^2 + bs +…
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Shows how to shoose appropriatate input values to find five points, then plot them and draw the graph.
Graphing a parabola ofthe form y = ax^2 or y =…
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Two examples are shown here, one relatively easy, then one with some fractions involved.
Solving a quadratic equation by completing the…
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This video covers the method stated in the title. If you have a
Solving a quadratic equation by completing the…
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Shows how to substitite the given value for the output variable, then rearranges the resulting equation in standard form. Values for a, b, and c are identified and…
Solving a word problem using a quadratic equation…
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This talks about solving for a squared quantity by taking the square root of both sides. You must remember to put a "plus or minus" sign on one side of the…
Solving an equation of the form x^2 = a using the…
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A second demonstration of how to solve a quadratic equation using the "complete the square" process.
Solving by Completing the Square - Part 2
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This demonstrated a factoring technique for solving a quadratic equation.
Solving Polynomial Equations by Factoring, Part 1
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This presents a financial question that we can answer using the techniques for solving quadratic equations.
Solving Problems Modeled By Quadratic Equations
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Solving Quadratic Equations by the Quadratic… 16 of 16
Solving Quadratic Equations by the Quadratic…
This is part two of the discussion about using the quadratic formula to solve a quadratic equation.Solving Quadratic Equations by the Quadratic…
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