WorksheetsS2 Mathematics
Total questions: 7
Worksheet time: 4mins
Name
Class
Date
1.
(2a+1)^2
a)
4a^2+2
b)
4a^2+4a+1
c)
(2a+1)(2a-1)
d)
4a^2+4a+2
2.
81x^2-49y^2
a)
(9x+7y)(9x-7y)
b)
(9x+7y)^2
c)
(9x-7y)^2
d)
(9x-7y)(9x-7y)
3.
Round off 0.004488 to 3 significant figures
a)
0.00
b)
0.00449
c)
0.01
d)
0.00448
4.
Round down 487.29973 to 3 decimal places
a)
487.300
b)
487
c)
488
d)
487.299
5.
if a class interval is 235-239,what is the class width of the class interval?
a)
3
b)
4
c)
5
d)
6
6.
Determine whether each of the following equations is an identity.
4(3x+1)=2(6x+2)
a)
yes
b)
No
7.
Determine whether each of the following equations is an identity.
-5(7-x)+3=5x-32
a)
Yes
b)
No
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