SOLUTION: Use the strategy of indirect reasoning to justify each of the following: A. if the product of 2 positive numbers is greater than 82, then at least one of the numbers is greater th

Algebra ->  Rational-functions -> SOLUTION: Use the strategy of indirect reasoning to justify each of the following: A. if the product of 2 positive numbers is greater than 82, then at least one of the numbers is greater th      Log On


   

Question 93629This question is from textbook
: Use the strategy of indirect reasoning to justify each of the following:
A. if the product of 2 positive numbers is greater than 82, then at least one of the numbers is greater than 9.
I know its not true but I dont know how to explain it
 This question is from textbook

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
xy>82
8*8=64
8*9=72
9*9=81
9*10=90
this proves that at least 1 number must be >9.