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Find all values of r such that $\frac{r-3}{\sqrt{r}} = -\sqrt{r}$

 Aug 11, 2015

Best Answer 

 #1
avatar+129852 
+11

[r -3] / √r  = - √r     multiply both sides by -1

 

[3 - r] /√r  = √r     multiply both sides by √r

 

3 - r = r     add r to both sides

 

3 = 2r     divide both sides by 2

 

3/2  = r

 

  

 Aug 11, 2015
 #1
avatar+129852 
+11
Best Answer

[r -3] / √r  = - √r     multiply both sides by -1

 

[3 - r] /√r  = √r     multiply both sides by √r

 

3 - r = r     add r to both sides

 

3 = 2r     divide both sides by 2

 

3/2  = r

 

  

CPhill Aug 11, 2015
 #2
avatar+1314 
0

thanks. that helps

 Aug 11, 2015

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