A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing
 one year ago
Check please??
1. Can it ever be true that a = a for real number a? Explain.
my answer: yes, if a < 0.
2. is it possible for a real number to be both rational and irrational? Explain.
my answer: no, b/c rational #s can be written as a fraction and irrational #s cannot.
Thank you!
 one year ago
Check please?? 1. Can it ever be true that a = a for real number a? Explain. my answer: yes, if a < 0. 2. is it possible for a real number to be both rational and irrational? Explain. my answer: no, b/c rational #s can be written as a fraction and irrational #s cannot. Thank you!

This Question is Closed

phi
 one year ago
Best ResponseYou've already chosen the best response.0I think 0= 0, so how about a≤0 ?

greeneyes<3
 one year ago
Best ResponseYou've already chosen the best response.1okay, thanks! but my book said for #1 yes, a = a if a < 0.

mathstudent55
 one year ago
Best ResponseYou've already chosen the best response.1For 1. I agree with @phi, not with your book.

greeneyes<3
 one year ago
Best ResponseYou've already chosen the best response.1okay, thank you both! :)

phi
 one year ago
Best ResponseYou've already chosen the best response.0Interesting. Wolfram says otherwise http://www.wolframalpha.com/input/?i=for+real+x%2C++solve+%7Cx%7C+%3D+x
Ask your own question
Ask a QuestionFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.