Question

If 7(x² +x ) +k = 0 has equal roots, Find the value of k

Answer 1

Answer:

k = 49/28

Step-by-step explanation:

7(x² +x ) +k = 0

7x²+7x+k = 0

a= 7, b= 7 and c= k

For equal roots, b²-4ac= 0

(7)²-4(7)(k) = 0

49 - 28k = 0

-28 k =- 49

k = 49/28