Part I
Answer all questions in this part. Each correct answer will receive 2 credits. No partial credit
will be allowed. For each question, write on the separate answer sheet the numeral preceding the
word or expression that best completes the statement or answers the question.
[
]
40
Use this space for
1 The parabola shown in the accompanying diagram undergoes a
computations.
reflection in the y-axis.
y
8
6
4
2
x
–8
–6
–4
–2
2
4
6
8
–2
–4
–6
–8
What will be the coordinates of the turning point after the reflection?
(1) (3,−1)
(3) (−3,1)
(2) (3,1)
(4) (−3,−1)
5
2 The expression
is equivalent to
+
3
2
−
−
2
15
15
5 2
(1)
(3)
3
7
−
5 2
15
−
(2)
(4)
15
5 2
5
[2]
Math. B – Jan. ’09