Graph of the parabola y = x² − 2x − 3

An example figure from the Coordinate Grid Generator.

A coordinate grid from −6 to 6 with the upward parabola y = x² − 2x − 3 drawn in blue — A coordinate grid numbered from −6 to 6 on both axes with the parabola y = x² − 2x − 3 drawn in blue. It opens upward, crosses the x-axis at −1 and 3, and has its vertex at (1, −4); both arms run off the top of the grid with arrowheads. Use it for questions on zeros, the vertex and the axis of symmetry.

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Answer key

y = x² − 2x − 3

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