Term 1 (Lesson 10.1, 10.2 and 10.3)
Grade/Cluster
12 Core
Subject
Mathematics
Section
Date
20-09-2012
Name
Duration 15 minutes
ID
Score/20
1) Determine whether each sequence is arithmetic, geometric, or neither.
[1marks]
a) 11, 23, 35, 47, ….
2) Find the next three terms of the sequence.
[3, 1.5 marks]
25, 50, 75, 100, …
A. 25, 150, 175
B. 25, 250, 500
C. 125, 145, 175
D. 50, 200, 225
E. 60, 180, 540
3) Find the 17th term of the arithmetic sequence 6, 14, 22, 30, … .
A.
134
B.
140
C.
146
D.
152
E.
160
T1-Quiz 2
1
G12-Core-Math
4) Write an equation for the nth term of the following sequence below.
[2, 1mark each]
a) ( Arithmetic) a4 = 45, d = 5
b) ( Geometric) 288, -96, 32,...
5) Find the means for the following sequence
[2, 1mark each]
a) (Arithmetic) 21, ___, ___, ___, 45.
b) (Geometric) 810,
,
,
, 10
6) Find the Sum of each series.
[3, 1mark each]
a) ∑6𝑘=1 3(4)𝑘−1
b) 5 + 12 + 19 + … + 68.
c) ∑𝟏𝟎
𝐢=𝟓(𝟐𝐢 + 𝟑)
T1-Quiz 2
2
G12-Core-Math
7) When a piece of paper is folded onto itself, it doubles in thickness. If a piece of
paper that is 0.01 mm thick could be folded 12 times, how thick would it be?
[2 marks ]
8. Find sum of the first 100 odd natural numbers
SAT Questions
[2 marks ]
[5 marks , 1 each]
1. If x = 3 and 5x = 3x + y, then y = ?
A. 1.5
B. 2
C. 3
D. 4
E. 6
2. Which of the following points does not lie in the shaded region above ?
A.
(1 , 1)
B.
(1 , 4)
C.
(2 , 3)
D.
(4 , 1)
E.
(5, 5)
T1-Quiz 2
3
G12-Core-Math
3. If the average (arithmetic mean) of a, b, 4 and 10 is 8, what is the value of
a + b?
A. 4
B. 6
C. 9
D. 15
E. 18
x + 22 = 36 then the value of x is
4.
A. 0
B. √14
C. 14
D. 196
E. 256
5. For which of the following values of 𝑥 is 49𝑥 equal to 7?
A.
1
B.
2
2
3
C. 1
D.
3
2
E. 2
T1-Quiz 2
4
G12-Core-Math