Additional Mathematics 0606 / Straight-line graphs / 3.253.25: Find kkk in y=kx2y=kx^{2}y=kx2 with surd data0606/23/M/J/22 — Question 2 · 4 marksMark as done · Save for later · Show all solutionsDo not use a calculator in this question.Variables xxx and yyy are related by y=kx2y=kx^{2}y=kx2. When x=1+2x=1+\sqrt{2}x=1+2, y=1−2y=1-\sqrt{2}y=1−2. Find kkk in the form ab+c\dfrac{a}{b+c}b+ca where a,b,ca,b,ca,b,c are integers.[4]▸ Answer▸ Official mark scheme← 3.24: Linear law: y3y^{3}y3 against x2x^{2}x23.26: Mid-point and perpendicular through CCC →
