Student Activity Questions and Answers

Solution

Activity – 3

1. Find the value of k for the given system of linear equations satisfying the condition below:

(i) 2x + ky = 1; 3x − 5y = 7 has a unique solution

(ii) kx + 3y = 3; 12x + ky = 6 has no solution

(iii) (k − 3)x + 3y = k; kx + ky = 12 has infinite number of solution

Solution:

2. Find the value of a and b for which the given system of linear equation has infinite number of solutions 3x − (a + 1)y = 2b −1, 5x + (1 − 2a)y = 3b

Solution:

Activity – 4

For the given linear equations, find another linear equation satisfying each of the given condition

Solution: