Quadratic Equations

Quantitative Aptitude ( CCS)

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I. ² + 5x – 14 = 0

II. y² + 24y + 128 = 0

x > y

x < y

x ≥ y

x ≤ y

Explanation:

x² + 5x – 14 = 0
x² + 7x – 2x – 14 = 0
So x = -7, 2
y² + 24y + 128 = 0
y² + 16y + 8y + 128 = 0
So y = -16, -8
Put all values on number line and analyze the relationship
-16…..-8….. -7….2

By: Amit Kumar

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