NCERT Exercise 3.1 - Q2 - Pair of Linear Equations in Two Variables
Question: On comparing the ratios a1/a2, b1/b2 and c1/c2, find out whether the lines representing the following pairs of linear equations intersect at a point, are parallel or coincident: (i) 5x – 4y + 8 = 0 7x + 6y – 9 = 0 (ii) 9x + 3y + 12 = 0 18x + 6y + 24 = 0 (iii) 6x – 3y + 10 = 0 2x – y + 9 = 0
Answer: (i) Intersecting, (ii) Coincident, (iii) Parallel
Full step-by-step NCERT solution with diagrams on Something by Zero.