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10 questions from this quiz
(h,k)(h, k)(h,k)
Square of half the middle coefficient
Find half of 2 and square it
(x+1)2−4(x + 1)^2 - 4(x+1)2−4
Factor it out from x2x^2x2 and xxx terms
Factoring from all 3 terms
x=−b2ax = -\frac{b}{2a}x=−2ab
x=3±174x = \frac{3 \pm \sqrt{17}}{4}x=43±17
Downward
3
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