2010-II-21
Ans: B
In $\Delta ABD$,
… Read In $\Delta ABD$,
$\begin{array}{rcl}
\tan \alpha &#
HKCEE - 2010 - Paper 2
2010-II-22
Ans: D
$\begin{array}{cl}
& \tan \theta + \tan(90^\c
… Read $\begin{array}{cl}
& \tan \theta + \tan(90^\c
2010-II-23
Ans: A
I must be true. The 9 planes of reflection are shown bel
… Read I must be true. The 9 planes of reflection are shown bel
2010-II-24
Ans: B
A is the image rotating the given plane figure anticlo
… Read A is the image rotating the given plane figure anticlo
2010-II-25
Ans: A
$\begin{array}{rcl}
\angle ACD & = & 180^
… Read $\begin{array}{rcl}
\angle ACD & = & 180^
2010-II-26
Ans: C
Let $AM = x\text{ cm}$. Consider $\Delta ABC$, we have
… Read Let $AM = x\text{ cm}$. Consider $\Delta ABC$, we have
2010-II-27
Ans: C
The interior angle of a regular 24-sided polygon
… Read The interior angle of a regular 24-sided polygon
$\be
2010-II-28
Ans: D
Note that $BC$ is the line of intersection of planes $A
… Read Note that $BC$ is the line of intersection of planes $A
2010-II-29
Ans: B
… Read Note that $y+7=0$ is a horizontal line and $R(-4,-3)$
2010-II-30
Ans: C
… Read Note that $\theta = 210^\circ – 180^\circ = 30^
2010-II-31
Ans: D
Note that the slope of the straight line $2x+7y=5$ is $
… Read Note that the slope of the straight line $2x+7y=5$ is $
2010-II-32
Ans: B
I is true. According to the figure, the $x$ intercept o
… Read I is true. According to the figure, the $x$ intercept o
2010-II-33
Ans: C
$\begin{array}{rcl}
\text{P(drawing a red ball)} &
… Read $\begin{array}{rcl}
\text{P(drawing a red ball)} &
2010-II-34
Ans: A
The mean $a$
… Read The mean $a$
$\begin{array}{cl}
= & \dfrac{x+x
2010-II-35
Ans: A
The mean of the distribution
… Read The mean of the distribution
$\begin{array}{cl}
= &#
2010-II-36
Ans: A
Note that the upper-quartile and the lower-quartile
… Read Note that the upper-quartile and the lower-quartile
2010-II-37
Ans: C
There are three methods transforming one graph to the
… Read There are three methods transforming one graph to the
2010-II-38
Ans: A
According to the figure, the $y$ intercept of the grap
… Read According to the figure, the $y$ intercept of the grap
2010-II-39
Ans: C
$\begin{array}{rcl}
\dfrac{1}{\sqrt{a^3}} \div \
… Read $\begin{array}{rcl}
\dfrac{1}{\sqrt{a^3}} \div \
2010-II-40
Ans: D
$\begin{array}{cl}
& 11 \times 16^8 + 4\times 1
… Read $\begin{array}{cl}
& 11 \times 16^8 + 4\times 1