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The zero of a quadratic function is . What does this tell you about the graph of this quadratic function?

A The parabola touches the x-axis in one place,x=-1/2 .

B The parabola crosses the x-axis in two places, x=-1/2 and x=1/2

C The parabola touches the x-axis at the origin.

D The parabola crosses the x-axis at x=-1/2 . You can substitute this value into the quadratic function to find the location of the other zero.



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