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Posted by on Friday, March 22, 2013 at 3:27pm.

Find a value(s) that makes the expression

y^2 - 16
---------- undefined.
y^2 + 16

y=4i?

  • Algebra 2 - , Friday, March 22, 2013 at 3:47pm

    yes, and also -4i
    y^2+16 = (y+4i)(y-4i)

  • Algebra 2 - , Friday, March 22, 2013 at 5:00pm

    Thank you!

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