Quadratic Equations

Quantitative Aptitude ( CCS)

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I. 3x² – 5x – 12 = 0

II. 3y² + 16y + 16 = 0

x > y

x < y

x ≥ y

x ≤ y

Explanation:

3x² – 5x – 12 = 0
3x² – 9x + 4x – 12 = 0
Gives x = -4/3, 3
3y² + 16y + 16 = 0
3y² + 12y + 4y + 16 = 0
Gives y = -4, -4/3
Put all values on number line and analyze the relationship
-4….. -4/3….. 3

By: Amit Kumar

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