DescriptionQuadratic function graph key values.svg
English: Graph of y = ax2 + bx + c having real roots and positive a with key points labellled by CMG Lee. Roots and y-intercept are in red, turning point and axis of symmetry are in blue, and focus and directrix are in pink. Values are given in terms of the discriminant, b2 - 4ac. The example shown has a = 1, b = -2 and c = -3.
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{{Information |Description ={{en|1=Graph of ''y'' = ''ax''2 + ''bx'' + ''c'' having real roots and positive ''a'' with key points labellled by CMG Lee. Roots and y-intercept are in red, turning point and axis of symmetry are in purple, and focu...
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Short title
Quadratic equation graph key points
Image title
Graph of y = ax2 + bx + c having real roots and positive a with key points labellled by CMG Lee. Roots and y-intercept are in red, turning point and axis of symmetry are in purple, and focus and directrix are in blue. Values are given in terms of the discriminant, b2 - 4ac. The example shown has a = 1, b = -2 and c = -3.
