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October 20, 2014

October 20, 2014

Posted by **Jack** on Saturday, August 28, 2010 at 5:12pm.

4.7 = 1.13x^2

Do i square root the 1.13x^2 first? or divide both sides by 1.13?

- Math -
**Jason**, Saturday, August 28, 2010 at 6:04pmPlease excuse my dear aunt sally

- Math -
**MathMate**, Saturday, August 28, 2010 at 6:06pmBoth will work, but it is customary to divide both sides by 1.13, which avoids an extra square-root:

4.7=1.13x²

x²=4.7/1.13

x=√(4.7/1.13)

or

√(4.7)=√(1.13)√(x²)

x=√(4.7)/√(1.13)

- Math -
**Jason**, Saturday, August 28, 2010 at 6:06pmhaha sorry. i didn't bother to read the entire thing. you must divide first in order to root both sides

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