Put it in Desmos and look at the graph virtually so you can have a better idea
1) 6 positive
2) - $25 negative
3) -8 negative
4) 82 positive
Answer: ![\frac{\sqrt{6}}{5y}](https://tex.z-dn.net/?f=%5Cfrac%7B%5Csqrt%7B6%7D%7D%7B5y%7D)
Step-by-step explanation:
The given radical expressions are:
![A. \frac{11y}{\sqrt{3}}\\\text{It is not completely simplified ,}\\\text{since denominator is radical, we need to rationalize it first to simplify. }\\\\B.\frac{\sqrt{6}}{5y}\\\text{It is completely simplified ,}\\\text{since its denominator is not radical and 6 is not a perfect square. }\\\\C. \frac{\sqrt{17}}{\sqrt{4}}\\\text{It is not completely simplified ,}\\\text{since denominator is radical, we need to rationalize it first to simplify. }\\\\](https://tex.z-dn.net/?f=A.%20%5Cfrac%7B11y%7D%7B%5Csqrt%7B3%7D%7D%5C%5C%5Ctext%7BIt%20is%20not%20completely%20simplified%20%2C%7D%5C%5C%5Ctext%7Bsince%20denominator%20is%20radical%2C%20we%20need%20to%20rationalize%20it%20first%20to%20simplify.%20%7D%5C%5C%5C%5CB.%5Cfrac%7B%5Csqrt%7B6%7D%7D%7B5y%7D%5C%5C%5Ctext%7BIt%20is%20completely%20simplified%20%2C%7D%5C%5C%5Ctext%7Bsince%20its%20denominator%20is%20not%20radical%20and%206%20is%20not%20a%20perfect%20square.%20%7D%5C%5C%5C%5CC.%20%5Cfrac%7B%5Csqrt%7B17%7D%7D%7B%5Csqrt%7B4%7D%7D%5C%5C%5Ctext%7BIt%20is%20not%20completely%20simplified%20%2C%7D%5C%5C%5Ctext%7Bsince%20denominator%20is%20radical%2C%20we%20need%20to%20rationalize%20it%20first%20to%20simplify.%20%7D%5C%5C%5C%5C)
![\\\\D. \frac{\sqrt{25}}{18}=\frac{5}{18}\\\text{Hence, expression D was not completely simplified .}](https://tex.z-dn.net/?f=%5C%5C%5C%5CD.%20%5Cfrac%7B%5Csqrt%7B25%7D%7D%7B18%7D%3D%5Cfrac%7B5%7D%7B18%7D%5C%5C%5Ctext%7BHence%2C%20expression%20D%20was%20not%20completely%20simplified%20.%7D)
Answer:
2x - 10
Step-by-step explanation:
2(x - 5)
distribute
2*x - 2*5
2x - 2*5
2x - 10
29.8 would be the number, but rounded would be 30