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ASHFORD MAT 222 MAT222 QUIZ 4 ANSWERS

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In the video, Example 7, Using the quadratic formula: Integer coefficients, which is located in the media section of Chapter 10, the presenter multiplies the entire equation in standard form by –1 in order to

The presenter of the slideshow, Using the discriminant in factoring, which is located in the media section of Chapter 10, states, “The quadratic polynomial is prime if and only if the discriminant, b2
– 4ac, is __________.”

In the video, Example 33, Number of solutions, which is located in the media section of Chapter 10, the presenter finds the discriminant of the equation given to be equal to:

In the video, Example 45, Using the quadratic formula: Solve by the method of your choice, which is located in the media section of Chapter 10, the presenter uses which of the following for solving the given equation:

In the example for finding the dimensions of a rectangular table top presented in the slideshow,Applications, towards the top of the list in the media section of Chapter 10, the presenter excludes the negative solution to the quadratic formula because it is not possible for the given practical application.

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