Question

solution please for the easiest questions ever​

Answer 1

Answer:

1) k≠2

EXPLANATION: for unique solution, a1/a2≠b1/b2

2)a= -1

EXPLANATION:

ax²+4x-4=0

a(2)²+4(2)-4=0

4a+8-4=0

4a= -4

a= -1

Answer 2

here is ur soluiton.....