Cartesian Plane, SMB-019 A straight line passes through points `Q(3,-2)` and `R(-1,4)` . Find the equation of `QR` and express in general form. (3 marks) --- 6 WORK AREA LINES (style=lined) --- Show Answers Only `2y+3x-5=0` Show Worked Solution `text{Line goes through}\ (3,-2) and (-1,4).` `text(Using the gradient formula):` `m` `=(y_2-y_1)/(x_2-x_1)` `=(-2-4)/(3-(-1))` `=-3/2` `text{Find equation through}\ (3,-2), m=-3/2:` `y-y_1` `=m(x-x_1)` `y-(-2)` `=-3/2(x-3)` `2(y+2)` `=-3(x-3)` `2y+4` `=-3x+9` `2y+3x-5` `=0`