2018-II-15
Ans: D
The base of the triangle base
… Read The base of the triangle base
$\begin{array}{cl}
= &#
HKDSE-MATH - 2018 - Paper 2 -
2018-II-16
Ans: A
Note that $ABCD$ is a parallelogram, then $AD = BC$. He
… Read Note that $ABCD$ is a parallelogram, then $AD = BC$. He
2018-II-17
Ans: B
Since $OC \perp AD$, then $AE = DE$. Hence, we have
… Read Since $OC \perp AD$, then $AE = DE$. Hence, we have
$\be
2018-II-18
Ans: B
Consider $\Delta BCE$ and $\Delta DCF$.
… Read Consider $\Delta BCE$ and $\Delta DCF$.
$\begin{arr
2018-II-19
Ans: D
I is true. In $\Delta CDE$,
… Read I is true. In $\Delta CDE$,
$\begin{array}{rcll}
\an
2018-II-20
Ans: B
Note that $\angle FBE = 90^\circ$. Then by applying Py
… Read Note that $\angle FBE = 90^\circ$. Then by applying Py
2018-II-21
Ans: C
I may not be true. There is no enough information to pro
… Read I may not be true. There is no enough information to pro
2018-II-22
Ans: B
Consider $\Delta BDE$.
… Read Consider $\Delta BDE$.
$\begin{array}{rcll}
BD �
2018-II-23
Ans: B
Mark $O$ the centre of rotation. Mark also $A$ in the fi
… Read Mark $O$ the centre of rotation. Mark also $A$ in the fi
2018-II-24
Ans: A
… Read $\begin{array}{rcl}
\angle COE & = & 307^
2018-II-25
Ans: D
Note that the slope and the $y$-intercept of $L_1$ are
… Read Note that the slope and the $y$-intercept of $L_1$ are
2018-II-26
Ans: C
Sketch the graph below according to the information p
… Read Sketch the graph below according to the information p
2018-II-27
Ans: C
A is not true. Sub. $(0, 0)$ into the left side of the equ
… Read A is not true. Sub. $(0, 0)$ into the left side of the equ
2018-II-28
Ans: A
Note that the sample space is
… Read Note that the sample space is
$\begin{array}{|c|c|c
2018-II-29
Ans: C
Let $x$ be the mean of the numbers of pages of the remain
… Read Let $x$ be the mean of the numbers of pages of the remain
2018-II-30
Ans: A
Note that according to the stem-and-leaf diagram, $0
… Read Note that according to the stem-and-leaf diagram, $0
2018-II-31
Ans: C
A is not true. Note that the distances between the vert
… Read A is not true. Note that the distances between the vert
2018-II-32
Ans: C
I is true. If $a < 1$, the graph is like below.
… Read I is true. If $a < 1$, the graph is like below.
II is not true. Let $x_0$ be the $x$ coord
2018-II-33
Ans: D
By applying the two point form to the graph, we have
… Read By applying the two point form to the graph, we have
$\b
2018-II-34
Ans: C
Sketch the graph of the system of inequalities.
… Read Sketch the graph of the system of inequalities.
$\lef