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(Show work please)

2. Mr. DeMouy is thinking of an irrational number between 4 and 9. Mrs. Nelson says that the number must be the square root of 6 . Mr. DeMouy says this isn’t true and there are many irrational numbers between 4 and 9 other than the square root of 6 . Is Mr. DeMouy right? If so, give 2 examples that Mr. DeMouy could give and say how you known each number is irrational. If Mr. DeMouy is not right, explain how you know this.

3. Multiply the square root of 6 by any whole number that is not 1. Is the product rational or irrational?

4. Determine whether each number of expression is rational or irrational from the choices below. Then explain how you know this.
a) - Square root of 4
b) -2 Square root of 6
c) square root of 47
d) -2 4/9
e) pi ^2
f) 4lsquare root of 2