School Olympiads - International Mathematics Olympiad (IMO)

Algebraic Expressions & Linear Equations question bank (Class 7 & 8 - Advanced Arithmetic, Algebra & Geometry)

Practice 5 free School Olympiads - International Mathematics Olympiad (IMO) Class 7 & 8 - Advanced Arithmetic, Algebra & Geometry - Algebraic Expressions & Linear Equations questions with answers and step-by-step solutions.

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Q1.

If $2^{x-1} + 2^{x+1} = 1280$, find the value of $x^2 - 3x + 2$.

(A)

{'key': 'A', 'text': '56'}

(B)

{'key': 'B', 'text': '62'}

(C)

{'key': 'C', 'text': '72'}

(D)

{'key': 'D', 'text': '81'}

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