torres7538
torres7538
10-04-2018
Mathematics
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sqdancefan
sqdancefan
11-04-2018
1. TRUE - anything is symmetric about its axis of symmetry
2. FALSE - they open up or down, depending on the sign of "a"
3. TRUE - the x-coordinate of the vertex is -b/(2a). Its y-coordinate is f(x) at that point.
4. FALSE - for negative "a", the parabola opens downward.
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