Quadratic Equations

Quantitative Aptitude (SBI-PO)

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I. 4x² + 27x + 18 = 0,

II. 2y² – 7y + 3 = 0

x > y

x < y

x ≥ y

x ≤ y

Explanation:

4x² + 27x + 18 = 0
4x² + 24x + 3x + 18 = 0
So x = -3/4, -6
2y² – 7y + 3 = 0
2y² – 6y – y + 3 = 0
So y = 1/2, 3
Put all values on number line and analyze the relationship
-6… -3/4… 1/2… 3

By: Amit Kumar

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