AMC 10 Step by Step
2021 AMC Fall 10AProblem 20P16-20~5 minPrint

For how many ordered pairs (b,c)(b,c) of positive integers does neither x2+bx+c=0x^2+bx+c=0 nor x2+cx+b=0x^2+cx+b=0 have two distinct real solutions?

Log in to save your progress.

Similar problems

Problem © Mathematical Association of America (MAA), American Mathematics Competitions. Reproduced for non-commercial educational use. Solution and commentary are original to this site.