2008-II-14
Ans: D
Let $x_0$, $y_0$ and $z_0$ be the original values of $x
… Read Let $x_0$, $y_0$ and $z_0$ be the original values of $x
HKCEE - 2008 - Paper 2 -
2008-II-15
Ans: C
Let $f(x)=k_1x + k_2x^2$, where $k_1$ and $k_2$ are no
… Read Let $f(x)=k_1x + k_2x^2$, where $k_1$ and $k_2$ are no
2008-II-16
Ans: B
Note that the maximum absolute error
… Read Note that the maximum absolute error
$\begin{array}
2008-II-17
Ans: C
$\begin{array}{cl}
& 0.049~876~5 \\
= & 0
… Read $\begin{array}{cl}
& 0.049~876~5 \\
= & 0
2008-II-18
Ans: C
… Read Let $r\text{ cm}$ and $l \text{ cm}$ be the base radius
2008-II-19
Ans: C
The base area of the right prism
… Read The base area of the right prism
$\begin{array}{cl}
=
2008-II-20
Ans: C
Note that the area of the shaded region is the differen
… Read Note that the area of the shaded region is the differen
2008-II-21
Ans: D
Since $ABCD$ is a parallelogram, then $AD = BC$. Hence
… Read Since $ABCD$ is a parallelogram, then $AD = BC$. Hence
2008-II-22
Ans: C
Consider $\Delta ABD$.
… Read Consider $\Delta ABD$.
$\begin{array}{rcl}
\tan 30
2008-II-23
Ans: A
$\begin{array}{rcl}
\dfrac{\cos A}{\tan (90^\cir
… Read $\begin{array}{rcl}
\dfrac{\cos A}{\tan (90^\cir
2008-II-24
Ans: A
… Read Note that
$\begin{array}{rcl}
AC^2 + BC^2 & = &#
2008-II-25
Ans: A
A is the image formed by rotating the figure anticlock
… Read A is the image formed by rotating the figure anticlock
2008-II-26
Ans: D
I has reflectional symmetry and rotational symmetry
… Read I has reflectional symmetry and rotational symmetry
2008-II-27
Ans: B
… Read Let $\angle ADC = y$. Add a point $E$ on $AB$ such that $E
2008-II-28
Ans: D
… Read Add a horizontal line and the line divides $b$ into $b_
2008-II-29
Ans: B
Since the coordinates of the mid-point of $AB$ are $(1
… Read Since the coordinates of the mid-point of $AB$ are $(1
2008-II-30
Ans: C
… Read According to the above figure, we have
$\begin{array
2008-II-31
Ans: D
Note that the slope of $L_1$
… Read Note that the slope of $L_1$
$\begin{array}{cl}
= �
2008-II-32
Ans: D
According to the figure, $m_2 < m_1 < m_4 < m_3$.
… Read According to the figure, $m_2 < m_1 < m_4 < m_3$.
2008-II-33
Ans: B
Note that the prime numbers between $40$ and $49$ are $
… Read Note that the prime numbers between $40$ and $49$ are $