HKDSE-MATH - 2018 - Paper 2 -

Ans: A
A is true. Rewrite the equation of the graph to $y = -(x &

Ans: A
Note that $m$ and $n$ are the roots of $2x^2 + 5x = 14$. Th

Ans: $-3$
By using the Pythagoras Theorem, we have

$\begin{

Ans: (b) (i) $(3k-1, 28-9k)$ (ii) $3$ (iii) No

1. $\begin{arra

Ans: A
I is true. Rewrite the equation to general form, we hav

Ans: (a) $9$ (b)$-8$, $5$

1. Since the equation $p(x) = 0$ has eq

Ans: (a) $(k, k^2 + 4)$ (b) No

1. $\begin{array}{rcl}
   g(x) &

Ans: A

Write the equation of the graph to the general form and

Ans: D

$\begin{array}{rcl}
(x-c)(x-4c) & = & (3

Ans: A

I is true. Rewrite the function of the graph into gener

Ans: D

A is not true. Rewrite the equation of the graph to the g