Quadratic Equations

Qunatitative Aptitude (RBI Ast)

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I.x^2 + 8x – 128 = 0

II.y^2 – 17y + 72 = 0

x >= y

No relation

y > x

y >= x

Explanation:

I.x^2 + 8x – 128 = 0
=>x^2 + 16x – 8x – 128 = 0
=>x = 8,-16
II.y^2 – 17y + 72 = 0
=>y^2 – 9y – 8y + 72 = 0
=>y = 9,8
y >= x

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