Wednesday

March 4, 2015

March 4, 2015

Posted by **David** on Thursday, December 13, 2012 at 12:30pm.

- I don't know the quadreatic formula for this -
**Reiny**, Thursday, December 13, 2012 at 12:50pmtypo in the first ...

in 2nd:

x^2 + 2x - 82 = 0

x = (-2 ± √(4 -4(1)(-82))/2

= (-2 ± √332)/2

= (-2 ± 2√83)/2

= -1 ± √83

**Answer this Question**

**Related Questions**

Chemistry - the formula H2O2 is an example of 1.molecular formula 2. an ...

algebra - how would i work out the following problems solve each formula in ...

Pre-Algebra - Please help to solve to find x,y 1. y=7x-3 2. 4x+2y=8 Take the ...

chem - could anyone tell me why the molecular formula of agas is not always the ...

Chemistry - What molecular formula can you deduce from a mass spectrometry of ...

chemistry - why is the formula written for an ionic compound such as NaCl the ...

chemistry - If a compound's empirical formula is CH2O and its' formula mass is ...

chemistry - Determining a Molecular Formula from an Empirical Formula 1. A ...

chemistry - Determining a Molecular Formula from an Empirical Formula 1. A ...

math 213 - The effect of depreciation can be computed using a formula similar to...