48: 1, 2, 3, 4, 6, 8, 12, 16, 24, 48
54: 1, 2, 3, 6, 9, 18, 27, 54
gcf: 6
(6,5)---------------(1,2)-------------------(x2,y2)
6+x2/2=1
5+y2/2=2
6+x2=2
x2=-4
y2=4-5
y2=-1
(-4,-1)
answer is C
(x-1)² = 50
x-1 = <span>±</span>√50
x-1 = -5√2 or x-1 = 5√2
x = 1-5√2 x = 1+5√2
