2007-II-25
Ans: C
I has no rotational symmetry.
… Read I has no rotational symmetry.
II has $4$-fold rotatio
HKCEE - 2007 - Paper 2 -
2007-II-26
Ans: B
The axes of reflectional symmetry of the square $ABCD
… Read The axes of reflectional symmetry of the square $ABCD
2007-II-27
Ans: D
Note that the sum of the exterior angles of polygon is $
… Read Note that the sum of the exterior angles of polygon is $
2007-II-28
Ans: B
Add a straight line $FX$ such that \\ $AB//FX//CD$. Si
… Read Add a straight line $FX$ such that \\ $AB//FX//CD$. Si
2007-II-29
Ans: C
The image of rotating the point $(3,-2)$ clockwise ab
… Read The image of rotating the point $(3,-2)$ clockwise ab
2007-II-30
Ans: C
… Read Note that $x=1$ and $y=1$. Hence, we have
$\begin{arr
2007-II-31
Ans: D
Let $m$ be the slope of the required straight line.
… Read Let $m$ be the slope of the required straight line.
Not
2007-II-32
Ans: A
Note that the slope and the $y$-intercept of the strai
… Read Note that the slope and the $y$-intercept of the strai
2007-II-33
Ans: A
The required probability
… Read The required probability
$\begin{array}{cl}
=
2007-II-34
Ans: C
Since the mode of the seven numbers is $8$, then $a=b=8
… Read Since the mode of the seven numbers is $8$, then $a=b=8
2007-II-35
Ans: B
I cannot be determined. Since we cannot read the two me
… Read I cannot be determined. Since we cannot read the two me
2007-II-36
Ans: C
According to the following figure, the answer is C.
… Read According to the following figure, the answer is C.
2007-II-37
Ans: C
$\begin{array}{cl}
& \dfrac{3\sqrt{a}}{2} &
… Read $\begin{array}{cl}
& \dfrac{3\sqrt{a}}{2} &
2007-II-38
Ans: D
Note that $y=f(x+1)$ means translating the graph $y=
… Read Note that $y=f(x+1)$ means translating the graph $y=
2007-II-39
Ans: B
Taking log of answer A, we have
… Read Taking log of answer A, we have
$\begin{array}{rcl}
\
2007-II-40
Ans: A
Since $f(x)$ is divisible by $(x-1)$, by the division
… Read Since $f(x)$ is divisible by $(x-1)$, by the division
2007-II-41
Ans: A
$\begin{array}{cl}
& \text{A BCD E}70\ 000_{1
… Read $\begin{array}{cl}
& \text{A BCD E}70\ 000_{1
2007-II-42
Ans: C
According to the given system of equations, we have
… Read According to the given system of equations, we have
$\
2007-II-43
Ans: B
The equation of the straight line passing through $(0
… Read The equation of the straight line passing through $(0
2007-II-44
Ans: C
$\begin{array}{rcl}
a_1 & = & a_2 –
… Read $\begin{array}{rcl}
a_1 & = & a_2 –