Lecture-2


00:00:30 Graphical and Algebraical Tests for Parallel lines, intersecting lines and coincident lines

00:05:22 NCERT Exercise 3.2 Question 2

00:13:32 Consistent and Inconsistent pair of linear equations in two variables (unique solution, no solution, infinite solution)

00:16:42 NCERT Exercise 3.2 Question 3

00:23:52 NCERT Exercise 3.2 Question 4

00:28:02 NCERT Exercise 3.2 Question 5 Half the perimeter of a rectangular garden, whose length is 4 m more than its width, is 36 m. Find the dimensions of the garden.

00:33:42 NCERT Exercise 3.2 Question 6 Given the linear equation 2x + 3y – 8 = 0, write another linear equation in two variables such that the geometrical representation of the pair so formed is: (i) intersecting lines (ii) parallel lines (iii) coincident lines

00:36:42 NCERT Exercise 3.2 Question 7 Draw the graphs of the equations x – y + 1 = 0 and 3x + 2y – 12 = 0. Determine the coordinates of the vertices of the triangle formed by these lines and the x-axis, and shade the triangular region.