Graphing Parabolas; Video on How to complete the square on a parabola in the form ax^2 + bx + c to get a formula for the equation of the line that is axis of symmetry (x = -b/2a), and how to find the vertex point. The formula is used to find the vertex point for y = x^2 - 4x + 5; Youtube videos by Julie Harland are organized at http://yourmathgal.com<br />For more great math videos visit: www.youtube.com/user/videosbyjulieharland/videos . Aligned to CCSS: HSF-IF.8
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