SOLUTION: Need help with understanding: y= -2(x-3) to 1/2 power

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Question 75187This question is from textbook Algebra 2
: Need help with understanding:
y= -2(x-3) to 1/2 powerThis question is from textbook Algebra 2

Answer by jim_thompson5910(28715) About Me  (Show Source):
You can put this solution on YOUR website!
Anything to the half power is the same as taking the square root. For instance sqrt%28x%29=x%5E%281%2F2%29 so
y=+-2%28x-3%29%5E%281%2F2%29 can be written as y=+-2%2Asqrt%28x-3%29
As a general rule this is true:
x%5E%281%2Fn%29=root%28n%2Cx%29