SAT Subject Test Mathematics Level 1

13 . If a = 4b, c = 8b^2 , and b ≠ 0, then

(A) –2b

(B) 1   –   2b

(C) 2 b

(D) 2 b –   1

(E) 2 b +   3

14 .

Figure  3

In  Figure  3,  if  O   is  the center  of  the circle, and the ratio   of  x   to  y   is  2   to

1,  what    is  the ratio   of  a   to  b?

(A) 4:1

(B) 3:1

(C) 2:1

(D) 1:2