1.
(I) (II) (III)
A. (I) only
B. (II) only
C. (III) only
D. (I) and (III)
E. (I), (II) and (III)
2. Which of the following is a rational number?
A.
B. p
C.
D. 3.141 59
E.
3. If p and q are two consecutive positive integers, which of the following must be true?
A. p + q is even
B. q - p = 1
C. pq is odd
D. is an integer
E. is even
4. If a and b are two consecutive positive integers, which of the following must be even?
B.
D.
5. If a is even and b is odd, which of the following must be an integer?
6. Which of the following is/are function(s) of x?
D. (I) and (II)
E. (I) and (III)
7. Which of the following is/are function(s) of x?
A. w and y
B. y and z
C. w and z
D. w, y and z
E. None of the above
8. Which of the following graphs do/does not represent function(s) of x?
E. (II) and (III)