CAT Exam: Important Questions of Quadratic Equation Questions
Quadratic Equation Questions
In this blog we will solve and learn about some quadratic equation questions. quadratic equation questions are mostly asked in al CAT examination papers and is one of the important topic for all CAT aspirants.
Questions:-
3x + 4|y| = 33. How many integer values of (x, y) are possible?
- 6
- 3
- 4
- More than 6
x2 – 9x + |k| = 0 has real roots. How many integer values can ‘k’ take?
- 40
- 21
- 20
- 41
Equation x2 + 5x – 7 = 0 has roots a and b. Equation 2x2 + px + q = 0 has roots a + 1 and b + 1. Find p + q.
- 6
- 0
- -16
- 2
If (3x+2y-22)2 + (4x-5y+9)2 = 0 and 5x-4y = 0. Find the value of x+y.
- 7
- 9
- 11
- 13
Let x3– x2 + bx + c = 0 has 3 real roots which are in A.P. which of the following could be true
- b=2,c=2
- b=1,c=1
- b= -1,c = 1
- b= -1,c= -1
A merchant decides to sell off 100 articles a week at a selling price of Rs. 150 each. For each 4% rise in the selling price he sells 3 less articles a week. If the selling price of each article is Rs x, then which of the below expression represents the rupees a week the merchant will receive from the sales of the articles?
- 175 – x/2
- x/3 + 156
- 350 – x2/2
- x2 – 2x + 75
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