This section is brought to you in association with Oliveboard, leaders in Test-prep that make it easy for you to prepare across multiple devices. Visit Oliveboard here.

Oliveboard Question of the day

Question: If the roots of the equation px² +rx + q =0 be imaginary, then for all real values of x, the expression 3p²x² + 6prx +2q² is:

(a) Greater than 4qp

(b) Less than 4qp

(c) Greater than –4qp

(d) Less than –4qp

Solution posted below. Click on the plus sign to view the solution.

Answer and Explanation