Additional Mathematics 0606 / Straight-line graphs / 1.151.15: Linear law: lgy2\lg y^{2}lgy2 against xxx0606/12/O/N/19 — Question 2 · 5 marksMark as done · Save for later · Show all solutionsWhen lgy2\lg y^{2}lgy2 is plotted against xxx, a straight line is obtained passing through the points (5,12)(5, 12)(5,12) and (3,20)(3, 20)(3,20).Find yyy in terms of xxx, giving your answer in the form y=10ax+by = 10^{ax+b}y=10ax+b, where aaa and bbb are integers.[5]▸ Answer▸ Official mark scheme← 1.7: Linear law: lgy\lg ylgy against xxx1.19: Linear law graph: y=Abx2y = Ab^{x^{2}}y=Abx2 →
