INSTRUCTORS Carleen Eaton Grant Fraser Eric Smith

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 1 answerLast reply by: Arpana DuggalThu Jul 18, 2013 10:48 AMPost by Jeff Mitchell on February 1, 2011He says ~1:30 into the lecture he says "TWICE" the formula is valid if A not equal to 0 and circles the statement that says A not equal to 1. WHICH ONE IS IT?

Solving Equations Using the Quadratic Formula

• If you do not see an easy way to factor a quadratic equation, use the formula.

• The discriminant is the radicand in the Quadratic Formula. Use it to determine the number of real roots of a particular quadratic equation.

• If the discriminant is positive, the equation has 2 real roots.

• If the discriminant is 0, it has one rational root.

• If the discriminant is negative, it has no real roots.

Solving Equations Using the Quadratic Formula

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

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