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More about graphing parabolas. What if I can’t find the x-intercepts?. Find the vertex Find symmetrical points Look at the x coordinate of the vertex Pick two points that area equally distant from it (example: vertex is (2, 2) – you could pick 0 and 4)
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What if I can’t find the x-intercepts? • Find the vertex • Find symmetrical points • Look at the x coordinate of the vertex • Pick two points that area equally distant from it (example: vertex is (2, 2) – you could pick 0 and 4) • Plug in one of the symmetrical points. This is the y coordinate for both symmetrical points. • graph.