2012PP-II-07
Ans: B
I is true. $L_1$ is a vertical straight line and its $x$
… Read I is true. $L_1$ is a vertical straight line and its $x$
HKDSE-MATH - 2012PP - Paper 2 -
2012PP-II-26
Ans: D
Let $P=(x,x+2)$.
… Read Let $P=(x,x+2)$.
$\begin{array}{rcl}
AP & = &#
2013-II-14
Ans: D
From the equation $x+ay+b=0$, we have
… Read From the equation $x+ay+b=0$, we have
$\begin{array
2014-II-25
Ans: D
I is true. According to the given figure, the slope of t
… Read I is true. According to the given figure, the slope of t
2015-II-25
Ans: B
I is true. Since $L_1$ is on the left of the $y$-axis, th
… Read I is true. Since $L_1$ is on the left of the $y$-axis, th
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
2017-II-23
Ans: A
I is true. Note that $m_{L_1} = \dfrac{-1}{m}$ and $m_
… Read I is true. Note that $m_{L_1} = \dfrac{-1}{m}$ and $m_
2017-II-24
Ans: A
Note that the slope of the straight line $9x-5y+45=0$
… Read Note that the slope of the straight line $9x-5y+45=0$
2017-II-41
Ans: D
Draw the graph according to the question.
… Read Draw the graph according to the question.
According t
2018-II-06
Ans: D
I is true. Consider the slope of $L_1$.
… Read I is true. Consider the slope of $L_1$.
$\begin{array
2018-II-26
Ans: C
Sketch the graph below according to the information p
… Read Sketch the graph below according to the information p
2019-II-23
Ans: A
I is true. According to the graph, we have
… Read I is true. According to the graph, we have
$\begin{arr
2019-II-24
Ans: A
For the straight lines are perpendicular to each othe
… Read For the straight lines are perpendicular to each othe
2020-II-08
Ans: A
I is true. Rewrite the equation of $L_2$ to the slope-i
… Read I is true. Rewrite the equation of $L_2$ to the slope-i
2020-II-26
Ans: D
The slope of $L$
… Read The slope of $L$
$\begin{array}{cl}
= & \dfrac{
2020-II-40
Ans: D
Sketch a graph according to the question.
… Read Sketch a graph according to the question.
Note that $4
2021-II-26
Ans: A
… Read Since $AP$ is a median of $\Delta ABC$, then $P$ is the m
2022-II-24
Ans: A
Rewrite the equation into slope intercept form, we ha
… Read Rewrite the equation into slope intercept form, we ha