HKCEE - 2007

2007-I-01

Ans: $p=\dfrac{3q+7}{2}$
$\begin{array}{rcl}
5p-7

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2007

2007-I-02

Ans: $\dfrac{n^5}{m^3}$
$\begin{array}{cl}
& \dfr

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2007

2007-I-03

Ans: (a) $(r+5)^2$ (b) $(r+s+5)(r-s+5)$

$\begin{array}{

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2007

2007-I-04

Ans: Median $=67\text{ kg}$, range $=25\text{ kg}$, stand

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2007

2007-I-05

Ans: $k49$
Since the equation has no real roots, then $\Delt

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2007

2007-I-06

Ans: (a) $\$320$ (b) $28\%$

The selling price of the vase
$\b

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2007

2007-I-07

Ans: $43$
Let $x$ and $y$ be the number of elderly patients an

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2007

2007-I-08

Ans: $x=70^\circ$, $y=20^\circ$, $z=20^\circ$
Since $DE

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2007

2007-I-09

Ans: (a) $72^\circ$ (b) $320\pi\text{ cm}^2$

Let $\angle A

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2007

2007-I-10

Ans: (a) $4.5\text{ cm}$ (b) (i) Impossible (ii) Impossibl

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2007

2007-I-11

Ans: (a) $96\pi\text{ cm}^3$ (b) (i) $60\pi\text{ cm}^2$ (

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2007

2007-I-12

Ans: (a) $7$ (b) $40$ (c) $\dfrac{1}{10}$ (d) Pie chart: no;

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2007

2007-I-13

Ans: (a) $4x+3y-49=0$ (b) $11$ (c) (i) $-2$ (ii) $48$, $\dfr

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2007

2007-I-14

Ans: (a) (i) $39$ (ii) $(x+3)(x+9)(4x-9)$ (b) (i) $C=16x^3

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2007

2007-I-15

Ans: (a) (i) $\dfrac{3}{5}$ (ii) $\dfrac{3}{20}$ (iii) $\

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2007

2007-I-16

Ans: (a) $10\sqrt{2}\text{ cm}^2$, $210\sqrt{2}\text{ c

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2007

2007-I-17

Ans: (b) (i) $(-7,0)$ (ii) $(x+7)^2+(y-9)^2=9^2$

1. Since $I

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2007

2007-II-01

Ans: A
$\begin{array}{cl}
& 3^{2n} \cdot 4^n \\
=

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2007

2007-II-02

Ans: D
$\begin{array}{cl}
& \dfrac{1}{n+3} –

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2007

2007-II-03

Ans: A
$\begin{array}{cl}
& (x+x)(y+y+y) \\
= &

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2007