Question

Find k, if y= -1 is one of the root of quadratic
equation ky ²-y-4=0​

Answer 1

Answer:

hope this helps u

Step-by-step explanation:

y = -1

ky ²-y-4=0

k[-1]²-[-1]-4=0

minus*minus = plus

1k+1-4=0

k-3=0

k=3

Answer 2

Answer:

answer answer answer answer is= 3