if one root of quadratic equation 2x2+kx-6=0 is 2 find value of k and also find other root
Answers
Answered by
16
2(2)^2+k(2)-6
2.4+2k-6
8+2k-6
2+2k
2(1+k)=0
1+k=0
k=-1
2.4+2k-6
8+2k-6
2+2k
2(1+k)=0
1+k=0
k=-1
Answered by
68
HELLO DEAR,
given that
It's one zeros
So x = 2 put this in Quadratic Equation
We get,
⇒2x² + kx - 6 = 0
⇒2(2)² + k(2) - 6 = 0
⇒8 + 2k - 6 = 0
⇒2k = -2
⇒k = - 1
I HOPE ITS HELP YOU DEAR,
THANKS
given that
It's one zeros
So x = 2 put this in Quadratic Equation
We get,
⇒2x² + kx - 6 = 0
⇒2(2)² + k(2) - 6 = 0
⇒8 + 2k - 6 = 0
⇒2k = -2
⇒k = - 1
I HOPE ITS HELP YOU DEAR,
THANKS
Similar questions