Topic 2: Surds, Indices and Logarithms

Feel free to post your questions on Surds, Indices and Logarithms here.

I am expecting to see many posts here... ;-)

Do try to help one another out by replying if you are able to answer some of the questions that have been posted.

should there be negative anwers for exponential equations?
are the answers always positive?

yanqi wrote:should there be negative anwers for exponential equations?
are the answers always positive?

Yanqi, do you mind elaborating on your question? Did you mean to ask if e^something can be a negative value? (note: ^ means to the power of)

yes

yanqi wrote:yes

If you try to press using your calculator, you will find that e to the power of anything is always positive. I hope that answers your question?

okay