R, S, Q and P are the midpoints of OC, CB, BA and OA respectively. OR = a, CS = b and OP =C
Show that RS is parallel to PQ
Note: Ignore arrows above vectors eg write RS, not RS
+
B
P
С
S
b
O
a
R
26
NW
P

The function y= x - 4x+ 5 approximates the height, y, of a bird, and its horizontal distance, x, as it flies from one fence post to another. all distances are in feet. complete the square to find and interpret the extreme value (vertex). select two answers: one extreme value and one interpretation.