2007-II-04
Ans: A
Let $x$ be the smaller one of two consecutive integers
… Read Let $x$ be the smaller one of two consecutive integers
HKCEE - 2007
2007-II-05
Ans: D
According to the function $y=(x+1)^2-4$, we have
… Read According to the function $y=(x+1)^2-4$, we have
- The
2007-II-06
Ans: B
$\begin{array}{rcl}
15 & \ge & 4(x+2)-1 \
… Read $\begin{array}{rcl}
15 & \ge & 4(x+2)-1 \
2007-II-07
Ans: B
Let $\$x$ and $\$y$ be the prices of an orange and apple
… Read Let $\$x$ and $\$y$ be the prices of an orange and apple
2007-II-08
Ans: D
It is given that $f(x)=x^2-ax+2a$.
… Read It is given that $f(x)=x^2-ax+2a$.
$\begin{array}{
2007-II-09
Ans: A
$\begin{array}{rcl}
T(1) & = & 4 \\
T(2) &#
… Read $\begin{array}{rcl}
T(1) & = & 4 \\
T(2) &#
2007-II-10
Ans: B
The percentage increase of the fare
… Read The percentage increase of the fare
$\begin{array}{
2007-II-11
Ans: D
The required amount
… Read The required amount
$\begin{array}{cl}
= & \$3
2007-II-12
Ans: D
$\begin{array}{cl}
& \sqrt{2007} \\
= & 4
… Read $\begin{array}{cl}
& \sqrt{2007} \\
= & 4
2007-II-13
Ans: A
$\begin{array}{rcl}
7a + 5b & = & 3a + 8b \\
4
… Read $\begin{array}{rcl}
7a + 5b & = & 3a + 8b \\
4
2007-II-14
Ans: B
Let $y = k_1 + k_2 x$, where $k_1$ and $k_2$ are constant
… Read Let $y = k_1 + k_2 x$, where $k_1$ and $k_2$ are constant
2007-II-15
Ans: C
… Read $\begin{array}{rcl}
\alpha + 110^\circ & = �
2007-II-16
Ans: A
Let $OA=r\text{ cm}$. Then we have
… Read Let $OA=r\text{ cm}$. Then we have
$\begin{array}{r
2007-II-17
Ans: A
The base area of the right prism
… Read The base area of the right prism
$\begin{array}{cl}
=
2007-II-18
Ans: B
Note that the volume is conserved. Then we have
… Read Note that the volume is conserved. Then we have
$\begi
2007-II-19
Ans: A
Consider $\Delta CDF$ and $\Delta CBF$. With bases $F
… Read Consider $\Delta CDF$ and $\Delta CBF$. With bases $F
2007-II-20
Ans: D
Since $x+y=90^\circ$, we have $x = 90^\circ – y
… Read Since $x+y=90^\circ$, we have $x = 90^\circ – y
2007-II-21
Ans: D
$\begin{array}{cl}
& \dfrac{\cos A}{\sin A} +
… Read $\begin{array}{cl}
& \dfrac{\cos A}{\sin A} +
2007-II-22
Ans: D
$\begin{array}{rcl}
\sin\theta & = & \sq
… Read $\begin{array}{rcl}
\sin\theta & = & \sq
2007-II-23
Ans: B
In $\Delta ABC$,
… Read In $\Delta ABC$,
$\begin{array}{rcl}
\angle ABC �