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CBSE Notes 2011-2012 » Algebraic Expressions and Identities - Class 8 Maths MCQs (Free Practice Test)

Algebraic Expressions and Identities - Class 8 Maths MCQs (Free Practice Test)


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A select subset of questions has been made available here.
You can use this for preparation purpose.
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Question :

The expression 2 x 2 + 2 x y 0.3 x'o.3 will be a perfect square for y is equal to


Answer :

0.7
0.9
4
0.6


Question :

Find the value of (25.437)2 - (15.437)2


Answer :

4.874
40.875
408.74
4087.4


Question :

If 4x2 - 2ax + 25 = (2x - 5)2, then a is equal to


Answer :

5
-5
10
-10


Question :

The process of writing a given algebraic expression as the product of two or more factors is called


Answer :

identity
factorisation
splitting of middle term
none of these


Question :

Evaluate : (565 + 435)2 - 4 x 565 x 435


Answer :

169
1,690
16,900
200