Question

If the equation x2 - 4y2 + 2x - 4y + c = 0 represents two straight lines then c is equal to
a) O
c) 4
b) 2
d) 8​

Answer 1

Answer:

If the equation x2 - 4y2 + 2x - 4y + c = 0 represents two straight lines then c is equal to

a) O

c) 4

b) 2

d) 8

Step-by-step explanation:

a) O