NuktukHeroofTheSouth
NuktukHeroofTheSouth NuktukHeroofTheSouth
  • 11-03-2019
  • Mathematics
contestada

-Question Worth 20 points!!-
If a number is greater than 7, it is greater than 11. Which of the following is a COUNTEREXAMPLE to this statement?

A. 9

B. 5

C. 13

D. 15

Respuesta :

lillysiege
lillysiege lillysiege
  • 11-03-2019

Answer:

A. 9

Step-by-step explanation:

A counterexample shows that one side is true while the other is false

x>7 and x>11

sub in the answers

9>7 and 9>11 -this is true for the first half but false for the second

5>7 and 5>11 -this is false for both

13>7 and 13>11 -this is true for both

15>7 and 15>11 -this is true for both

Answer A is correct as it proves the statement to be incorrect

Answer Link

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