Question

if the equation x2+4x+k =0 has real and distinct roots,then find the value of k​

Answer 1

Step-by-step explanation:

for real and distinct roots D>1

x²+4x+k=0

D=b²-4ac

D=4²-4(1)(k)

16-4k>1

-4k>-15

k>15/4

value ok is greater than 15/4.

Answer 2

Answer:

d= b^2-4ac

use this formula...........