HKCEE - 2006 - Paper 1 -

Ans: (a) $A’=(7,2)$, $B’=(5,5)$ (b) Equal

1. $A

Ans: C

Note that $\angle AOB = 135^\circ – 45^\circ = 9

Ans: D
Since it is an equilateral triangle, then we have

$\be

Ans: D
Note that the inscribed circle of the $\Delta ABO$ is t

Ans: C
The image of rotating the point $(3,-2)$ clockwise ab

Ans: C

Note that $x=1$ and $y=1$. Hence, we have

$\begin{arr

Ans: B
Since the coordinates of the mid-point of $AB$ are $(1

Ans: C

According to the above figure, we have

$\begin{array

Ans: D

Note that $x=24$ is a vertical line passes through poi

Ans: (a) Yes (b) $56$

1. $\begin{array}{cl}
   & \angle QOP

Ans: (a) $A’=(-1,4)$, $B’=(-5,2)$ (b) No

1. $A&

Ans: D
Note that the distance between $A$ and the line $x=1$ i

Ans: D
Note that the three perpendicular bisectors of the th

Ans: B

Note that $y+7=0$ is a horizontal line and $R(-4,-3)$

Ans: C

Note that $\theta = 210^\circ – 180^\circ = 30^

Ans: (a) $(-5,1)$ (b) Yes

1. Note that the coordinates of $B$ ar

Ans: B
Note that the coordinates of $B$ are $(-3,-5)$. Since

Ans: D
Let $(x,y)$ be the rectangular coordinates of $P$.

$\