Math, asked by lohithreddy41, 8 months ago

-2 is root of the quadratic equation x2 -7x+k=0 value of k .

Answers

Answered by XUVBOY0444

2

Step-by-step explanation:

EQUATION GIVEN:

x²-7x+k=0

⇒-2 is a root of the above equation

PUTTING THE VALUE 2 IN PLACE OF x

⇒(-2)²-7×(-2)+k=0

⇒4+14+k=0

⇒k=-18 ans.

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