12. Given the following graph of linear function (Li), X a) Write the linear equation for Li in the form of y = mx + c. (2 marks) b) Find an equation for Ly in the form of y = mx + c that perpendicular to the La and passing through (-5,3). (2 marks)13. If m (0, p) is the middle point between A (-2, -10) and B (q, 10). Calculate the value of p and q- (2 marks) 14. Given the following graph of quadratic function, (0. 15) (-3. 0) (-4. 0) (-4, -1) Write an equation for the quadratic function in the form of y = ax + bx + c (2 marks)