Question Text
Question 2 :
The square of any odd integer is of the form 4q + 1, for some integer q. Is it true?
Question 6 :
The square of any positive integer cannot be of the form 5q + 2 or 5q + 3 for any integer q. Is it true?
Question 8 :
The sum or difference of a rational and an irrational number is _____________.
Question 9 :
How is 3825 expressed as a product of its prime factors?
Question 10 :
Without actually performing the long division, state whether $\frac{77}{210}$ will have a terminating decimal expansion or a non-terminating repeating decimal expansion.
