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12 questions from this quiz
ax2+bx+c=0ax^2 + bx + c = 0ax2+bx+c=0
a≠0a \neq 0a=0
Three
If a product equals zero, at least one factor must be zero
All terms on one side, zero on the other
Halve it, then square it
Divide entire equation by coefficient
x=−b±b2−4ac2ax = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}x=2a−b±b2−4ac
Two different real solutions
One repeated real solution
A parabola (U-shaped curve)
The x-intercepts of the parabola
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