2008-II-34
Ans: D
I must be true. The range of $A$
… Read I must be true. The range of $A$
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= &
HKCEE - 2008 - Paper 2 -
2008-II-35
Ans: A
First, we divides the region under the frequency curv
… Read First, we divides the region under the frequency curv
2008-II-36
Ans: A
The diagram of A shows the relation that $y$ increases
… Read The diagram of A shows the relation that $y$ increases
2008-II-37
Ans: D
Note that $y=f(x) + 2$ represents translating $y=f(x
… Read Note that $y=f(x) + 2$ represents translating $y=f(x
2008-II-38
Ans: C
Without loss of generality, suppose $a=2$, $b=4$ and
… Read Without loss of generality, suppose $a=2$, $b=4$ and
2008-II-39
Ans: A
$\begin{array}{cl}
& \sqrt{49a} – \sqr
… Read $\begin{array}{cl}
& \sqrt{49a} – \sqr
2008-II-40
Ans: A
$\begin{array}{cl}
& 11~000~011~000~111_2 \
… Read $\begin{array}{cl}
& 11~000~011~000~111_2 \
2008-II-41
Ans: B
Let $x$ and $y$ be the two numbers with $xy$. Hence, we h
… Read Let $x$ and $y$ be the two numbers with $xy$. Hence, we h
2008-II-42
Ans: B
Let $f(x,y)=2x-3y+180$. For the coordinates of poin
… Read Let $f(x,y)=2x-3y+180$. For the coordinates of poin
2008-II-43
Ans: B
I must be an arithmetic sequence.
… Read I must be an arithmetic sequence.
$\begin{array}{rc
2008-II-44
Ans: B
Since $a-6$, $a$ and $a+5$ form a geometric sequence,
… Read Since $a-6$, $a$ and $a+5$ form a geometric sequence,
2008-II-45
Ans: B
Let $y = \sin \theta$. Then the equation becomes
… Read Let $y = \sin \theta$. Then the equation becomes
$\beg
2008-II-46
Ans: B
Note that $y=a\cos(2x^\circ + 120^\circ)+b$ means c
… Read Note that $y=a\cos(2x^\circ + 120^\circ)+b$ means c
2008-II-47
Ans: B
For $0^\circ \le \theta \le 360^\circ$, we have
… Read For $0^\circ \le \theta \le 360^\circ$, we have
$\beg
2008-II-48
Ans: D
… Read Add a point $E$ on $AB$ such that $AC//ED$. Then $AEDC$
2008-II-49
Ans: D
Note that $CF=DE$. Therefore, the angle of inclinati
… Read Note that $CF=DE$. Therefore, the angle of inclinati
2008-II-50
Ans: A
… Read Join $AB$. Since $A$, $B$, $C$ and $D$ are four points o
2008-II-51
Ans: B
Since $AB$ is the tangent to the circle at $B$, then we h
… Read Since $AB$ is the tangent to the circle at $B$, then we h
2008-II-52
Ans: D
… Read Note that $x=24$ is a vertical line passes through poi
2008-II-53
Ans: D
I is true. The centre of the circle
… Read I is true. The centre of the circle
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