Which answer is correct?

Algebra
Tutor: None Selected Time limit: 1 Day

Find the opposite and the reciprocal of the number.

-1.74

Sep 14th, 2015

Thank you for the opportunity to help you with your question!

The opposite of a negative number (-1.74) is a positive number. So the opposite of -1.74 is 1.74.

A reciprocal of a number is one divided by that number. So the reciprocal of 1.74 is 1/1.74.


The opposite and reciprocal of the number is 1/1.74

*****Is your question looking for the opposite and reciprocal separately?  Or together?

Please let me know if you need any clarification. I'm always happy to answer your questions.
Sep 14th, 2015

well the choices are written differently for this one. 

i have A. -50/87, 87/50 

           B. 1.74, -87/50

           C. -50/87, -1.74

           D. 1.74, -50/87

Sep 14th, 2015

Okay, so the opposite:

1.74

And the reciprocal:

-1/1.74 = -100/174 = -50/87

Answer is D

Sep 14th, 2015

thank you! i also have 500

A. -500, -1/500

B. -500, 1/500

Sep 14th, 2015

B

Sep 14th, 2015

how do you know whether the rec. if positive or negative?..im kinda confused on that. is it always 1/ whatever the number is? like i have 3 so opp: -3 and rec: 1/3 or -1/3?..

Sep 14th, 2015

The opposite just reverses the sign.

The reciprocal keeps the same sign, just puts a one over it.

Sep 14th, 2015

the rec. keeps the same sign as the original number?


Sep 14th, 2015

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