Quadratic Equations

Quantitative Aptitude ( CCS)

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I. x² + 2x – 35 = 0

II. y² + 15y + 56 = 0

No relation

x > y

y ≥ x

x ≥ y

Explanation:

I.x² + 2x – 35 = 0
=> x² + 7x – 5x – 35 = 0
=> x (x + 7) – 5 (x + 7) = 0
=> (x – 5) (x + 7) = 0
x = 5, –7
II. y² + 15y + 56 = 0
=> y² + 7y + 8y + 56 = 0
=>y (y + 7) + 6 (y + 7) = 0
=>(y + 8) (y + 7) = 0
y = – 8, – 7
x ≥ y

By: Amit Kumar

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