Question

(2 MARKS)
. If one root of the equation x + 7x + k = 0 is -2, then find the value of k and the other root.​

Answer 1

Answer:

-2=0

2

x+7x+k=o

2+7(2)+k=0

2+14=0

16=0

-16 is the answer

Answer 2

Answer:

Value of k will be 16

Step-by-step explanation:

x+7x+k=0

if -2 is root

then put x=-2

so,

(-2)+(7×-2)+k=0

-2 -14 + k =0

-16 + k =0

k =16