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/sci/ - Science & Math

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>> No.10066273 [View]
File: 3.44 MB, 4608x3456, 20181012_184209.jpg [View same] [iqdb] [saucenao] [google]
10066273

>>10058290
How can i decide if a b and c of a parabola are positive or negative just from a drawing? For example pic related

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