Question

an equation of the form a x + b y + c is equal to zero where a ,b ,c are real constants and x'y are two variables if
a) a is not equal to zero b)b is not equal to zero c)a is not equal to zero and b is not equal to zero d) a is not equal to zero or is b is not equal to zero
explain​

Answer 1

Answer:

your ans is (b)

hope it helps