Class 8

Algebraic Expressions and Identities question bank (Mathematics)

Practice 42 free Class 8 Mathematics - Algebraic Expressions and Identities questions with answers and step-by-step solutions.

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Q1.

Evaluate $103 \times 97$ using a suitable algebraic identity.


(A)
$9,991$
(B)
$9,981$
(C)
$9,971$
(D)
$10,009$
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Q2.

If $x + \dfrac{1}{x} = 5$, find the value of $x^2 + \dfrac{1}{x^2}$:


(A)
$25$
(B)
$23$
(C)
$27$
(D)
$21$
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