Pop Quiz – Chapter 1 & Chapter 2 (25%)
1. Determine whether each of the following expressions is a quadratic expression in one
variable.
[5 marks ]
Quadratic expression
Tick () / Cross ()
p2  4 p  1
−𝑚 + 1
1
 2b  a 2
3
k2  2
a 2  2a  1
3
2. Solve each of the following quadratic equations:
(a) x 2  81  0 [2 marks]
(b)
h 1
1

[3 marks]
3
h 1
Answer:
3. Choose the correct answer for the following:
(a) Which of the following digits does not exist in the numbers in base 8?
A. 0
B. 4
C. 6
D. 8
[5 marks]
(b) Which of the following numbers has a digit 5 with the largest value?
A. 357 7
B. 2158
C. 5206
D. 519
(c) Which is the value of 24  2  25 , as a number in base two?
A. 1100102
B. 1010102
C. 1100002
D. 1011002
(d) 111112  1110102 
A. 1000110
B. 1011001
C. 1111001
D. 1111110
(e) 33204−11024=
A. 21204
B. 21324
C. 22124
D. 22324
4. The Diagram 2 below show graph function of g ( x)  8  2( x  n) 2
Find
(a) The value of n.
[1 mark]
(b) Symmetrical equation.
[1 mark]
(c) Coordinate of maximum point.
[1 mark]
5. The diagram below show vegetable farm of chilies and tomatoes in rectangle form
JKLM. Given that JP = KQ = x m. There are iron fences at the whole area farm.
(a) Valuate an expression for farm area, L m2, in term of x.
[2 marks]
(b) Given that area of the farm in rectangles is 460 m2. Find the value of x. [3 marks]
(c) Safwan wants to build a fence to separate the area of chili vegetables with tomatoes
at point P to point Q. If the price of the fence is RM50 per meter and Safwan has a
budget of RM1000.
State whether Safwan has a sufficient budget to build the fence.
[2 marks]