Joe claims that the equation , where b is a real number, represents the graph of a straight line.
Which statement BEST classifies Joe's claim?
A.
Joe's claim is true only when b is 0.
B.
Joe's claim is true for all values of b.
C.
Joe's claim is not true for any value of b.
D.
Joe's claim is true only when b is not zero.
1 answer
A. Joe's claim is true only when b is 0.