5. for which values of m will the polynomial m^2t^22(m1)t+ 4 have exactly one zero? 6. let s and p be numbers. show that the solutions (x, y) of the system ys xy p are the zeros in some order of the quadratic t2 - st + p for which 6x2 - 5x - 4 is negative. 7. determine the values of 8. determine those values of k for which the equation = k 3x 1 is solvable for real z 9. if the domain of the function