2006-I-02
Ans: (a) $x<\dfrac{19}{5}$ (b) $3$
… Read -
$\begin{array}{rc
HKCEE - 2006 - Paper 1 -
2007-II-06
Ans: B
$\begin{array}{rcl}
15 & \ge & 4(x+2)-1 \
… Read $\begin{array}{rcl}
15 & \ge & 4(x+2)-1 \
2008-II-10
Ans: A
$f(x)<3$ means the part of $y=f(x)$ under the line $y=3$. Therefore, the solution of $f(x)<3$ is $a < x < d$.
… Read $f(x)<3$ means the part of $y=f(x)$ under the line $y=3$. Therefore, the solution of $f(x)<3$ is $a < x < d$.
2009-II-09
Ans: B
$\begin{array}{rcl}
x – 5 & \le & 1-
… Read $\begin{array}{rcl}
x – 5 & \le & 1-
2010-II-11
Ans: B
I must be true. By the condition $ab0$, $a$ and $b$ must
… Read I must be true. By the condition $ab0$, $a$ and $b$ must
2011-II-04
Ans: B
I must be true. For any non-zero numbers $x$ and $y$,
… Read I must be true. For any non-zero numbers $x$ and $y$,
$\
2011-II-05
Ans: A
$\begin{array}{rcl}
2(1-x)+5 & \ge & 17 \
… Read $\begin{array}{rcl}
2(1-x)+5 & \ge & 17 \
2011SP-II-09
Ans: C
$\begin{array}{rcl}
5-2x & < & 3 \\ -2x & < & -2 \\ x & > & 1
\end{arra
… Read $\begin{array}{rcl}
5-2x & < & 3 \\ -2x & < & -2 \\ x & > & 1
\end{arra
2012-II-07
Ans: C
$\begin{array}{rcl}
15+4x & < & 3 \\ 4x & < & -12 \\ x & < & -3 \end{array}$
… Read $\begin{array}{rcl}
15+4x & < & 3 \\ 4x & < & -12 \\ x & < & -3 \end{array}$
Also,
$\begin{ar
2012PP-II-09
Ans: A
$\begin{array}{rcl}
4x & & x-3 \\
3x &
… Read $\begin{array}{rcl}
4x & & x-3 \\
3x &
2013-II-05
Ans: A
Consider the first inequality, we have
… Read Consider the first inequality, we have
$\begin{arra
2014-II-06
Ans: D
I may not be true. Suppose $a=3$ and $b=-6$. It is obvio
… Read I may not be true. Suppose $a=3$ and $b=-6$. It is obvio
2014-II-07
Ans: C
The compound inequality is equivalent to $-3x < 6$ and $6 < 2x$. Then, we have
… Read The compound inequality is equivalent to $-3x < 6$ and $6 < 2x$. Then, we have
$\begi
2015-II-06
Ans: A
$\begin{array}{rcl}
18 + 7x & & 4 \\
7x
… Read $\begin{array}{rcl}
18 + 7x & & 4 \\
7x