Additional Mathematics 0606 / Quadratic functions / 2.62.6: Discriminant showing real roots always0606/22/M/J/17 — Question 6 · 4 marksMark as done · Save for later · Show all solutionsShow that the roots of px2+(p−q)x−q=0px^{2} + (p - q)x - q = 0px2+(p−q)x−q=0 are real for all real values of ppp and qqq.[4]▸ Answer▸ Official mark scheme← 1.2: Tangent from a line to a parabola1.11: Parameter inequality for real roots →
