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Posted by on Thursday, January 1, 2009 at 3:11pm.

find the zeros of the function by rewriting the function in intercept form?
y=81x^2-16

  • math - , Thursday, January 1, 2009 at 4:24pm

    y=(9x-4)(9x+4)

    Now when is y equal to zero?

  • math - , Thursday, January 1, 2009 at 5:53pm

    is it -16

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