Posted by **So Confused** on Sunday, September 25, 2011 at 11:39pm.

Find the equation of variation in which y varies jointly as x and z and y=8, x=4 and z=2

- College Algebra 2 -
**Steve**, Tuesday, September 27, 2011 at 10:18am
if a varies directly with b, then it means

a = k*b

If y varies jointly as x & z, then it means y = k * x * z

So, if 8 = k * 4 * 2

Then k = 1, and y = x*z

## Answer this Question

## Related Questions

- Check my answers. Algebra - Can you please check my answers? Thanxs! Write an ...
- variation - Can you please check my answers? Thanxs! Write an equation that ...
- variation - Can you please check my answers? Thanxs! Write an equation that ...
- Variation-Check Problems - Can you please check my answers? Thanxs! Write an ...
- algebra - Could someone show me how to solve this joint variation problems? Y ...
- Variation - Could you please help me with the following question? Find the ...
- Need help with variation - Could you please help me with the following question...
- Variation Problem - Could you please help me with the following question? Find ...
- Math-II ( Joint and Combined Variation) - 1. R varies jointly as S and t. If R=1...
- algebra - Find the variation constaant and an equation of variation where Y ...