Question

Which of the following can be the value of k in 5x + kx + 5 = 0 if its
discriminant is zero?
C.5
D. 100
A. -10
B. O
​

Answer 1

Answer:

D. 100

Step-by-step explanation:

k²-4ac=0

k²=4ac

k²=4(5)(5)

k²=100