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find d in the equation 8=d^1/2

 Sep 21, 2014

Best Answer 

 #1
avatar+3453 
+8

$$8=d^{\frac{1}{2}}$$

 

Raise both sides to the 2nd power:

 

$$8^2 = (d{^\frac{1}{2}})^2$$

 

$$8^2 = d^{\frac{1}{2}\times2}$$

 

$$8^2 = d^{\frac{2}{2}}$$

 

$$8^2 = d$$

 

$$64 = d$$

 

So:

 

$$\mathbf{d = 64}$$

.
 Sep 21, 2014
 #1
avatar+3453 
+8
Best Answer

$$8=d^{\frac{1}{2}}$$

 

Raise both sides to the 2nd power:

 

$$8^2 = (d{^\frac{1}{2}})^2$$

 

$$8^2 = d^{\frac{1}{2}\times2}$$

 

$$8^2 = d^{\frac{2}{2}}$$

 

$$8^2 = d$$

 

$$64 = d$$

 

So:

 

$$\mathbf{d = 64}$$

NinjaDevo Sep 21, 2014

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