Posted by Jack on Saturday, August 28, 2010 at 5:12pm.
Solve the following equation.
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 6:04pm
Please excuse my dear aunt sally

Math  MathMate, Saturday, August 28, 2010 at 6:06pm
Both will work, but it is customary to divide both sides by 1.13, which avoids an extra squareroot:
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 6:06pm
haha sorry. i didn't bother to read the entire thing. you must divide first in order to root both sides
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