Question

For what value of K does the system of equation has . x+2y=3 , 5x+ky+7=0. 1) a unique solution 2)no solution​

Answer 1

Answer:

for unique solution a1/a2not=to b1/b2

1/5 not=to2/k

k not=to 10

all value for k except 10

2) for no solution

a1/a2=b1/b2 not=to c1/c2

1/5=2/k

k=10