Question

Write the value of K for which x^2 + 4x + k has equal roots

Answer 1

4 IS THE ANSWER PLEASE COMMENT ON THIS

Answer 2

For equal roots:

b² = 4ac

Given:

a = 1

b = 4

c = k

b²=4ac

==> 4² = 4*k*1

==>16=4k

==>k=16/4

==>k=4

Hope it helps you

=========================================================