If you plug in the ordered pairs, the numbers have to be the same on both sides in order to know the answer. y = 2x -5 -1 = 2(2)-5 -1 = 4 - 5 -1 = -1 The answer is (2,-1)
The number of branches on a tree demonstrates the fibonacci sequence. how many branches would there be on the next two levels of this tree? 13 | | | m branches