Question

Find the value of k for which the system of equations x+2y=3 and 5x+ky+7 =0 has no solution.​

Answer 1

Answer:

10

Step-by-step explanation:

a1/a2=b1/b2

a1=1 b1=2

a2=5 b2=k

$\frac{1}{5} = \frac{2}{k}$

$k \times 1= 5 \times 2$

$k = 10$