Category Linear Equations In Two Variables

4. Find the value of k, if x = 2, y = 1 is a solution of the equation 2x + 3y = k. Linear Equations in Two Variables Exercise 4.2 Previous Next Class 9 Linear Equations in Two Variables…

3. Check which of the following are solutions of the equation (x – 2y = 4) and which are not: (i) (0, 2)                     (ii) (2, 0)                        (iii) (4, 0)                       (iv) ((sqrt{2}, 4sqrt{2}))             …

2. Write four solutions for each of the following equations:(i) (2x + y = 7)  (ii) (πx + y = 9) (iii) (x = 4y) Linear Equations in Two Variables Exercise 4.2 Previous Next Class 9 Linear Equations in Two…

1. Which one of the following options is true, and why?  y = 3x + 5 has    (i) a unique solution, (ii) only two solutions,      (iii) infinitely many solutions. Linear Equations in Two Variables Exercise 4.2 Previous Next…

2. Express the following linear equations in the form (ax + by + c = 0) and indicate the values of a, b and c in each case: (i) (2x + 3y =9.bar{35})  (ii) (x –frac{y}{5} – 10 = 0)…

1. The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. (Take the cost of a notebook to be Rs x and that of a pen to be…