Posted by **Arnau** on Thursday, May 2, 2013 at 2:57am.

If x+y+z=16 and xy+yz+zx=85, what is x^2+y^2+z^2?

## Answer this Question

## Related Questions

- SHAY - THE MATH QUESTION IS IT ALGEBRA , PRE ALGEBRA' OR GEOMETRY? Quadriatic ...
- Algebra - I am getting ready to start an Algebra class for the first time and I ...
- Math - Algebra - This is a fraction algebra. n/24=25 (not divide sign). I don't ...
- Math(Algebra 1) - What are the basic properties of algebra. How do you justify ...
- Algebra - What are intersections and unions (in algebra). Also, what are ...
- Math (Algebra/Pre-Algebra) - A book has been discounted 20% and now sells for $...
- math/algebra - I need help with an algebra problem, please help. y=1/2x-4. Thank...
- Math (Algebra/Pre-Algebra) - Which equation is an identity? a. 3x - 9 = 3x b. 4p...
- Math - I'm an on-going 8th grader, and I'm taking a class for Algebra 2. What ...
- Algebra 1A - describe what the graph of interval -4, 10 looks like? This is for ...

More Related Questions