Quadratic Equation Questions for IBPS PO , SBI PO and IBPS Clerk , SBI Clerk , RRB, Exam 2018

Quadratic equations is one of the most important topic for banking as well as insurance exams as 5 questions are expected to come in both prelim as well as mains examination that’s why we are discussing this topic in detail:

Directions (1-5): In each of the following questions two equations are given. You have to solve the equations and give answer as:
(a) if x < y
(b) if x ≤ y
(c) relationship between x and y cannot be determined
(d) if x ≥ y
(e) if x > y

Quadratic Equation Questions for IBPS PO , SBI PO and Clerk Exam

Q1. I. 3x² + 10x + 8 = 0
II. 3y² + 7y + 4 = 0

S1. Ans.(b)
Sol.
I. 3x² + 10x + 8 = 0
⇒ 3x² + 6x + 4x + 8 = 0
⇒ (x + 2) (3x + 4) = 0
⇒ x = –2, –4/3

II. 3y² + 7y + 4 = 0
⇒ 3y² + 3y + 4y + 4 = 0
⇒ (y + 1) (3y + 4) = 0
⇒ y = –1, –4/3

y ≥ x

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