Additional Mathematics 0606 / Quadratic functions / 2.22.2: Completing the square and minimum point0606/21/M/J/20 — Question 2 · 4 marksMark as done · Save for later · Show all solutions(a)Write 9x2−12x+59x^{2} - 12x + 59x2−12x+5 in the form p(x−q)2+rp(x - q)^{2} + rp(x−q)2+r, where ppp, qqq and rrr are constants.[3]▸ Answer(b)Hence write down the coordinates of the minimum point of the curve y=9x2−12x+5y = 9x^{2} - 12x + 5y=9x2−12x+5.[1]▸ Answer▸ Official mark scheme← 1.10: Completing the square and a modulus graph2.3: Line and curve that do not intersect →
