Quadratic Equations

Quantitative Aptitude (CGL)

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I. 2x² – 9x + 4 = 0,

II. 2y² + 7y – 4 = 0

x > y

x < y

x ≥ y

x ≤ y

Explanation:

2x² – 9x + 4 = 0
2x² – 8x – x + 4 = 0
So x = 4 , 1/2
2y² + 7y – 4 = 0
2y² + 8y – y – 4 = 0
So y = -4, 1/2
Put on number line
-4……. 1/2…… 4

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