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
HKCEE - 2010 - Paper 2 -
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
2010-II-41
Ans: A
Let $f(x)=x^3+5x^2+3kx-k$. Since $f(x)$ is divisib
… Read Let $f(x)=x^3+5x^2+3kx-k$. Since $f(x)$ is divisib
2010-II-42
Ans: C
Consider the coordinates of $A$. Sub. $x=0$ into $x+3
… Read Consider the coordinates of $A$. Sub. $x=0$ into $x+3
2010-II-43
Ans: B
Since $h$, $5$ and $k$ form an arithmetic sequence, th
… Read Since $h$, $5$ and $k$ form an arithmetic sequence, th
2010-II-44
Ans: C
Let $a$ and $r$ be the first term and the common ratio of
… Read Let $a$ and $r$ be the first term and the common ratio of
2010-II-45
Ans: B
… Read By comparing the graph of $y=\cos x^\circ$, the graph
2010-II-46
Ans: B
$\begin{array}{cl}
& \cos^2 1^\circ + \cos^2 2
… Read $\begin{array}{cl}
& \cos^2 1^\circ + \cos^2 2
2010-II-47
Ans: D
Let $AB=BC=AC=2x$. Since $AB=BC=AC$, then $\Delta A
… Read Let $AB=BC=AC=2x$. Since $AB=BC=AC$, then $\Delta A
2010-II-48
Ans: D
… Read Join $NC$. Let $2x$ be the length of the cube, then $MB=
2010-II-49
Ans: B
Denote $O$ the centre of the circle $ABCD$ and $Z$ the m
… Read Denote $O$ the centre of the circle $ABCD$ and $Z$ the m
2010-II-50
Ans: C
Since $XY$ and $XZ$ are the tangents to the circle $ABC
… Read Since $XY$ and $XZ$ are the tangents to the circle $ABC
2010-II-51
Ans: A
Consider the coordinates of $A$. Sub. $y=0$ in the equ
… Read Consider the coordinates of $A$. Sub. $y=0$ in the equ