Question

Determine the value of k for which the following pairs of linear equation will have infinitely many solution ? 3x+4y=28, 1.5+2y=5k

Answer 1

K should be equal to 2.8

Because for infinitely many solutions

a1/a2 = b1/b2 = c1/c2

3/1.5 = 4/2 =28/5k

This implies 28/5k=2

K=2.8