Parabola Volume 29, Issue 3 (1993)...Parabola. Here the board contains twenty-one 3 x 1 rectangles;...
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Parabola Volume 29, Issue 3 (1993) 1
Parabola Volume 29, Issue 3 (1993)...Parabola. Here the board contains twenty-one 3 x 1 rectangles; so if only twenty or fewer squares are removed, at least one complete rectangle
![Untitled 2 [bednarskimath.weebly.com]...2. A parabola has x— intercepts at x = of symmetry for the parabola. 3. A parabola has x — intercepts at x = axis of symmetry for the parabola](https://img.pdfslide.us/doc/110x75/5f083f2c7e708231d4210fb1/untitled-2-2-a-parabola-has-xa-intercepts-at-x-of-symmetry-for-the.jpg)
