2022-II-21
Ans: B
… Read Join $OA$.
$\begin{array}{rcll}
\angle CAB & =
HKDSE-MATH - 2022 - Paper 2
2022-II-22
Ans: C
… Read Join $AE$. Since $\angle ABE = 90^\circ$ and $ABED$ is
2022-II-23
Ans: C
… Read Sketch the figure according to the question.
Since $P
2022-II-24
Ans: A
Rewrite the equation into slope intercept form, we ha
… Read Rewrite the equation into slope intercept form, we ha
2022-II-25
Ans: D
… Read Note that the rectangular coordinates of the image $Q
2022-II-26
Ans: A
… Read Note that the $x$- and $y$-intercepts of the $12x-5y=
2022-II-27
Ans: C
… Read Let $x^2+y^2+Dx+Ey+F=0$ be the equation of $C$. Sinc
2022-II-28
Ans: D
… Read Since only $532$ is divisible by $7$. Then the require
2022-II-29
Ans: A
… Read Let $x\text{ kg}$ be the mean weight of the actresses.
2022-II-30
Ans: B
… Read Since the median of the integers is $6$, then $x \ge 6$.
2022-II-31
Ans: C
… Read $\begin{array}{rcl}
\log (-345)^{768} & = �
2022-II-32
Ans: C
… Read By intercepts form, we have
$\begin{array}{rcl}
\df
2022-II-33
Ans: D
… Read $\left\{ \begin{array}{ll}
\log_4 y = 2x-1 & \l
2022-II-34
Ans: A
… Read $\begin{array}{cl}
& 12\text{B}00\text{CD}
2022-II-35
Ans: B
… Read $\begin{array}{rcl}
z & = & 4+5i^{10}-ki
2022-II-36
Ans: B
… Read $\left\{ \begin{array}{ll}
2x+y = 8 & \ldots \u
2022-II-37
Ans: D
… Read Since they are terms of a geometric sequence, then we h
2022-II-38
Ans: D
… Read Join $AC$ and $BD$.
$\begin{array}{rcll}
\angle BDC
2022-II-39
Ans: C
… Read $\begin{array}{rcl}
\sin^2x & = & 6\cos^
2022-II-40
Ans: A
… Read Note that $\alpha = \angle GFH = 45^\circ$.
Denote the