2016-II-23
Ans: A
… Read There are $2$ axes of reflectional symmetry as shown.
HKDSE-MATH - 2016 - Paper 2 -
2016-II-24
Ans: B
$\begin{array}{rcl}
(n-2)\times 180^\circ &
… Read $\begin{array}{rcl}
(n-2)\times 180^\circ &
2016-II-25
Ans: D
Since the two straight lines are perpendicular to eac
… Read Since the two straight lines are perpendicular to eac
2016-II-26
Ans: B
Let $C=(h,k)$. Since $C$ is lying on $x-2y=0$, we have
… Read Let $C=(h,k)$. Since $C$ is lying on $x-2y=0$, we have
2016-II-27
Ans: C
Note that the equation of $C$ in general form is $x^2 + y
… Read Note that the equation of $C$ in general form is $x^2 + y
2016-II-28
Ans: C
All possibilities are
… Read All possibilities are
$\begin{array}{llcl}
1.
2016-II-29
Ans: B
The expected number of tokens got
… Read The expected number of tokens got
$\begin{array}{cl
2016-II-30
Ans: B
Since the mode of the data is $68$, then there must be th
… Read Since the mode of the data is $68$, then there must be th
2016-II-31
Ans: C
$\begin{array}{lcccccccccc}
9a^2b & = &
… Read $\begin{array}{lcccccccccc}
9a^2b & = &
2016-II-32
Ans: D
$\begin{array}{rcl}
y & = & ab^x \\
\log_9
… Read $\begin{array}{rcl}
y & = & ab^x \\
\log_9
2016-II-33
Ans: A
$\begin{array}{cl}
& \text{BC}000\text{DE}
… Read $\begin{array}{cl}
& \text{BC}000\text{DE}
2016-II-34
Ans: B
I may not be true. Let $a=\pi$, which is a real number. T
… Read I may not be true. Let $a=\pi$, which is a real number. T
2016-II-35
Ans: D
The equation of the straight line passing through $R$
… Read The equation of the straight line passing through $R$
2016-II-36
Ans: B
Let $a$ and $r$ be the first term and the common ratio of
… Read Let $a$ and $r$ be the first term and the common ratio of
2016-II-37
Ans: A
… Read By comparing the given figure to the graph of $y=\cos x
2016-II-38
Ans: B
$\begin{array}{rcl}
5 \sin^2 \theta + \sin \theta &#
… Read $\begin{array}{rcl}
5 \sin^2 \theta + \sin \theta &#
2016-II-39
Ans: A
… Read Consider $\Delta ABC$,
$\begin{array}{rcl}
AC^2 &#
2016-II-40
Ans: D
… Read Join $BD$. Consider $\Delta PBD$, we have
$\begin{ar
2016-II-41
Ans: C
$\left\{ \begin{array}{ll}
x^2 +y^2 -8y-14=0 &
… Read $\left\{ \begin{array}{ll}
x^2 +y^2 -8y-14=0 &
2016-II-42
Ans: A
The required probability
… Read The required probability
$\begin{array}{cl}
=