What is the value of k in the polynomial x^2 + 8x + K ..if-1 is a zero of the polynomial?
Answers
Answered by
3
refer the attachment
k= 7
k= 7
Attachments:
Anjus6375:
Neha plzz tell what we will recieve if we collect the points?
if v collect the points v will get ranks such as expert,ace, genius
Okk
Hai r u here neha
I want 2 ask 1 more question
yes ,whats ur doubt
if i know i will answer it
R u on any social media like insta or fb??
Hai where r u ??
Neha where r u
Answered by
1
Hey dear here is your answer ⬇️⬇️☺️
, f(x)= x^2+8x+k=0. if (-1) is a zero of the polynomial than,,
f(-1) =x^2+8x+k =0
or,. (-1)^2+8×(-1)+k=0
or, 1-8+k=0
or, k-7=0
or, k=+7
your answer is 7
hope it helps you ✌️
, f(x)= x^2+8x+k=0. if (-1) is a zero of the polynomial than,,
f(-1) =x^2+8x+k =0
or,. (-1)^2+8×(-1)+k=0
or, 1-8+k=0
or, k-7=0
or, k=+7
your answer is 7
hope it helps you ✌️
Similar questions