Question

If the point (a,b) is in the fourth quadrant, in what quadrant is (a,-b)?

Answer 1

where is the 4th quadrant on this graph?

Answer 2

Bottom right

Answer 3

yes

Answer 4

we have some point there, (a,b)

Answer 5

we start with (a,b) and we get to (a,-b). What is the change?

Answer 6

if it helps, pick numbers to replace 'a' and 'b'. Make sure you are in quadrant 4

Answer 7

for example, say a = 2, b = -3