Additional Mathematics 0606 / Quadratic functions / 2.72.7: Real and distinct roots0606/22/M/J/19 — Question 2 · 4 marksMark as done · Save for later · Show all solutionsFind the values of kkk for which the equation (k−1)x2+kx−k=0(k - 1)x^{2} + kx - k = 0(k−1)x2+kx−k=0 has real and distinct roots.[4]▸ Answer▸ Official mark scheme← 1.9: Modulus quadratic graph and three solutions2.8: Completing the square and a related minimum →