HKCEE - 2008 - Paper 2

2008-II-01

Ans: B
$\begin{array}{cl}
& \left(\dfrac{1}{2}\ri

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2008-II-02

Ans: A
$\begin{array}{rcl}
m & = & 7 – 3n \

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2008-II-03

Ans: A
$\begin{array}{rcl}
\dfrac{-k}{1-k} – \dfr

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2008-II-04

Ans: B
$\begin{array}{cl}
& (2x^2-3x+1) -2(x^2+2x-

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2008-II-05

Ans: C
I has

x + y

as a factor.

$x^{2} - y^{2} = (x + y) (x - y)$

II cann

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2008-II-06

Ans: C
$\begin{array}{rcl}
f(4)-f(3) & = & 21 \

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2008-II-07

Ans: C
Note that the length and the width of the rectangles is

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2008-II-08

Ans: D
$\left\{ \begin{array}{ll}
m+2 = n-1 & \ldots \

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2008-II-09

Ans: A
Note that the coordinates of the vertex of the graph of

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2008-II-10

Ans: A

f (x) < 3

means the part of

y = f (x)

under the line

y = 3

. Therefore, the solution of

f (x) < 3

a < x < d

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2008-II-11

Ans: C
Note that the patterns are squares of sides of certain

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2008-II-12

Ans: A
Let

$ x

be the cost of the bag.

$\begin{array}{rcl}

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2008-II-13

Ans: C
The cost of

x kg

of rice of brand

A

$\begin{

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2008-II-14

Ans: D
Let

x_{0}

y_{0}

and

z_{0}

be the original values of $x

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2008-II-15

Ans: C
Let

f (x) = k_{1} x + k_{2} x^{2}

, where

k_{1}

and

k_{2}

are no

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2008-II-16

Ans: B
Note that the maximum absolute error

$\begin{array}

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2008-II-17

Ans: C
$\begin{array}{cl}
& 0.049~876~5 \
= & 0

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2008-II-18

Ans: C

Let $r cm$ and $l cm$ be the base radius

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2008-II-19

Ans: C
The base area of the right prism

$\begin{array}{cl}
=

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2008-II-20

Ans: C
Note that the area of the shaded region is the differen

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2008