Chapter 4: Quadratic Equations Flashcards

1
Q

state the formula for completing the square

A

a^2 - b^2 = (a+b)(a-b)

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2
Q

state the quadratic formula

A

x = -b±√b^2 - 4ac / 2a

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3
Q

what is the discriminant

A

b^2 - 4ac

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