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Mathematics 21 Online
OpenStudy (anonymous):

Decide which part of the quadratic formula tells you whether the quadratic equation can be solved by factoring. −b b2 − 4ac 2a Use the part of the quadratic formula that you chose above and find its value given the following quadratic equation: 2x^2 + 7x + 3 = 0

OpenStudy (anonymous):

Discriminant

OpenStudy (anonymous):

I need an example

OpenStudy (anonymous):

just plug b^2-4ac for the b and the a c into the formula

OpenStudy (anonymous):

what is the value of b^2-4ac?

OpenStudy (anonymous):

well if b is 7 and a is 2 and c is 3 just plug in (7)^2-4(2)(3)

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