What are the roots of the quadratic equation x^2 - 4 = 0?

A. 2 AND -2
Posted in:  Quadratic Equations -  Algebra -  Mathematics

If the roots of the quadratic equation x^2 + px + q = 0 are 3 and -2, what is the value of p?

C. -5
Posted in:  Quadratic Equations -  Algebra -  Mathematics

A and B can complete a work in 20 days and 30 days respectively. If they work together for 10 days, how much of the work is left?

A. 1/3
Posted in:  Time & Work -  Aptitude -  Mathematics

A and B can complete a work in 20 days and 30 days respectively. If they work together for 10 days, how much of the work is left?

A. 1/3
Posted in:  Time & Work -  Aptitude -  Mathematics

Which of the following is a factor of the polynomial x^2 - 5x + 6?

A. X - 2