Quadratic Equations

Quantitative Aptitude ( CCS)

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I. 4x² + 9x – 9 = 0

II. 4y² – 19y + 12 = 0

x > y

x < y

x ≥ y

x ≤ y

Explanation:

4x² + 9x – 9 = 0
4x² + 12x – 3x – 9 = 0
Gives x = -3, 3/4
4y² – 19y + 12 = 0
4y² – 16y – 3y + 12 = 0
Gives y = 3/4, 4
Put all values on number line and analyze the relationship
-3…….. 3/4….. 4

By: Amit Kumar

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