If one of the roots of the quadratic equation km² +2x -8=0 is -2,
then what is the value of k?
Answers
Answered by
0
Answer:
k=3
Step-by-step explanation:
k(-2)^2 + 2(-2)-8=0
=> 4k-12 = 0
=> 4k = 12
=> k = 3
Similar questions
Social Sciences,
3 months ago
English,
3 months ago
Science,
6 months ago
Hindi,
6 months ago
Political Science,
1 year ago
Math,
1 year ago