please tell answer in step by step?
Attachments:
Answers
Answered by
1
Answer:
k is equal to 6 is the answer
Answered by
2
Step-by-step explanation:
given,
quadratic equations is 2x²+kx -6=0
one root is 2
f(2)=0
=>2(2)²+k(2)-6=0
=>8 +2k -6 =0
=>2k +2=0
=>2k=2
=>k =2/2
=>k=1
=>k+1=1+1=0
Similar questions