SOLUTION: {{{sqrt(-r/5)sqrt(-20/r)}}}
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Question 119571This question is from textbook Algebra and Trigonometry Structure and Method Book 2
:
This question is from textbook Algebra and Trigonometry Structure and Method Book 2
Found 2 solutions by checkley71, jim_thompson5910:
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
sqrt(-r/5)*sqrt(-20/r)
sqrt(20r/5r)
sqrt4=2 answer.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Start with the given expression. Note: since and we cannot take the square root of a negative number, we must make the restriction
Combine the square roots.
Factor -20 into
Cancel like terms
Simplify
Multiply
Take the square root of 4 to get 2
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