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Determine k for 2xsquare+Kx+6=0 x=-2

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Determine k for 2xsquare+Kx+6=0 x=-2

Posted by Sachin Sachin 4 years, 6 months ago

CBSE > Class 10 > Mathematics

2 answers

Akash K 4 years, 6 months ago

➡️2x²+kx+6=0 ➡️2(-2)²+k(-2)+6=0 ➡️2(4)+k(-2)+6=0 ➡️8+k(-2)+6=0 ➡️K(-2)+14=0 ➡️K(-2)=-14 ➡️K=-14/-2 ➡️K=7 Therefore, k=7

1Thank You

Dishnat Kaushik 4 years, 6 months ago

1Thank You

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