2009-II-01
Ans: B
$\begin{array}{cl}
& 2^n \cdot 3^n \\
= & (
… Read $\begin{array}{cl}
& 2^n \cdot 3^n \\
= & (
HKCEE - 2009 - Paper 2
2009-II-02
Ans: D
$\begin{array}{rcl}
P & = & \dfrac{VT}{R
… Read $\begin{array}{rcl}
P & = & \dfrac{VT}{R
2009-II-03
Ans: D
$\begin{array}{cl}
& \dfrac{1}{a-2} –
… Read $\begin{array}{cl}
& \dfrac{1}{a-2} –
2009-II-04
Ans: A
$\begin{array}{cl}
& (3x-5)(2x^2 + 5x -3) \\
= &
… Read $\begin{array}{cl}
& (3x-5)(2x^2 + 5x -3) \\
= &
2009-II-05
Ans: A
$\begin{array}{rcl}
a(x^2 -x ) + b(x^2 + x) & \eq
… Read $\begin{array}{rcl}
a(x^2 -x ) + b(x^2 + x) & \eq
2009-II-06
Ans: A
$\begin{array}{rcl}
f(-1) & = & 8 \\
(-1)^
… Read $\begin{array}{rcl}
f(-1) & = & 8 \\
(-1)^
2009-II-07
Ans: B
$\begin{array}{rcl}
\dfrac{[(x+6) + (2x+3)]\time
… Read $\begin{array}{rcl}
\dfrac{[(x+6) + (2x+3)]\time
2009-II-08
Ans: D
Since the quadratic equation has equal roots, $\Delt
… Read Since the quadratic equation has equal roots, $\Delt
2009-II-09
Ans: B
$\begin{array}{rcl}
x – 5 & \le & 1-
… Read $\begin{array}{rcl}
x – 5 & \le & 1-
2009-II-10
Ans: C
Let $\$x$ and $\$y$ be the marked price and the cost of t
… Read Let $\$x$ and $\$y$ be the marked price and the cost of t
2009-II-11
Ans: B
The required interest
… Read The required interest
$\begin{array}{cl}
= & 3
2009-II-12
Ans: C
$\begin{array}{rcl}
T(1) & = & 1 \\
T(2) &#
… Read $\begin{array}{rcl}
T(1) & = & 1 \\
T(2) &#
2009-II-13
Ans: C
Length in the map $:$ actual length
… Read Length in the map $:$ actual length
$\begin{array}{c
2009-II-14
Ans: D
Let $y = k_1 + \dfrac{k_2}{x}$, where $k_1$ and $k_2$ a
… Read Let $y = k_1 + \dfrac{k_2}{x}$, where $k_1$ and $k_2$ a
2009-II-15
Ans: D
$\begin{array}{cl}
& c(b-a) \\
\approx &
… Read $\begin{array}{cl}
& c(b-a) \\
\approx &
2009-II-16
Ans: A
… Read Let $\theta$ be the angle of depression of $Q$ from $P$
2009-II-17
Ans: B
The length of a side of the base square
… Read The length of a side of the base square
$\begin{array}
2009-II-18
Ans: B
Let $h\text{ cm}$ be the height of the circular cone. S
… Read Let $h\text{ cm}$ be the height of the circular cone. S
2009-II-19
Ans: A
Let
… Read Let
$\begin{array}{c|c|c|c}
& \text{sphere }
2009-II-20
Ans: C
$\begin{array}{rcl}
\pi r^2 \times \dfrac{120^\ci
… Read $\begin{array}{rcl}
\pi r^2 \times \dfrac{120^\ci