13. Give the geometrical representation of 2x - 6 = 0 as an equation:(i) in one variable (ii) in two variables14. Plot the points A (4,0), B (4,4), C(0,4) in the Cartesian plane Name the figure soobtained by joining the points AB, BC and AC.15. Write the following equations in the form ax + by +C =0 and indicate the values of a, bandoin each case : (i) x - 4 = V3y (ii) 2x = 4y16. Draw the linear graph for 2x +y = 6.17. The auto rickshaw fare in a city is charged Rs 10 for the first km and at Rs 4 per km forsubsequent distance covered. Write the linear equation to express the above statement.Draw the graph of the linear equation.18. If (2,0) is a solution of the linear equation 2x +3y = k, then find the value of k.19. Check whether (4,1) is a solution of the equation 2x - y = 520. Write the abscissa and ordinate for the following points :(0) B( 4,3) (ii) K (-6, -5)​