Data Sufficiency: Quadratic Equations Problem Set

Q1) What is the value of x?

(1)  x²-6x+9 = 0

(2) x > 0

Q2) What is the value of ‘x’?

(1)  x²-8x+15 = 0

(2) x > 0

Q3) Is ‘x’ a positive integer?

(1)  x²-8x+15 = 0

(2) x > 0

Q4) What is the value of x?

(1)  x²+2x-15 = 0

(2) x > 0

Q5) What is the value of x?

(1)  x²-8x+15 = 0

(2) x²+2x-15 = 0

Q6) What is the value of x?

(1)  x²-2x = 0

(2) x is non-negative

Q7) What is the value of x²-2xy+y²?

(1)  y = 3

(2) -x = 3-y

Q8)Find the value of y:

(1) 3x-7y = 20

(2) x+y = 2+y

Q9)What is the value of 'x":

(1) x-2y = 7

(2) 3x-5 = 6y

Q10) Find the value of “5x-8y+z”:

(1) 2x+y-2z = 9

(2) 5x-y-3z = 6