A and B are constants such that the graphs of xy = B and y = Ax^2 + B intersect at the points (2,8). Write the ordered pair (A,B).
+37146 xy = b sub in the point given
2*8 = b = 16
y = a x^2 + b sub in the point given....and b
8 = a (2^2) + 16
8 = 4a + 16
-8 = 4a
a = -2
-2,16
+37146 xy = b sub in the point given
2*8 = b = 16
y = a x^2 + b sub in the point given....and b
8 = a (2^2) + 16
8 = 4a + 16
-8 = 4a
a = -2
-2,16
