Posted by **Laruen** on Sunday, December 2, 2012 at 4:44pm.

Which of the following is NOT a real number?

a) 0.0005

b) 13/0

c) square root of 1/16

I picked c, am i correct???????

- Math 8R -
**Sammy**, Sunday, December 2, 2012 at 4:52pm
Yes.

- Math 8R -
**Laruen**, Sunday, December 2, 2012 at 4:53pm
thank you

- Math 8R -
**Sammy**, Sunday, December 2, 2012 at 4:54pm
Sorry, completely misread the order of the letters. No, b is correct. Because 13/0 is undefined.

- Math 8R -
**Laruen**, Sunday, December 2, 2012 at 4:55pm
ohhhhh

thank you!

- Math 8R -
**Sammy**, Sunday, December 2, 2012 at 4:56pm
The square root of 1/16 is 0.25 which is a real number. When the number under the square root is negative , that's when you have a number that is not real.

- Math 8R -
**Sammy**, Sunday, December 2, 2012 at 4:56pm
You're welcome.

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