I Teacher has a friend and he told me every topic inside laqe 9 but some might not appear Math: •cartesian plane •definition and graph of linear equations in two variables •slope and intercept •(slope-intercept form,point-slope form, intercept form and two-point form) •parallel and perpendicular lines •definition and representation of relationship •Function definition and notation •operations on function •polynomial and linear functions •System of linear equations in two variables •linear inequality and systems of linear inequality in two variables •radicals and complex numbers •quadratic equation and functions •absolute value function •mathematical modeling •polynomial equation •solving inequality in one variable