SAT Subject Test Mathematics Level 2

17 .

Figure  3

Which   of  the following   could   be  the equation    of  the parabola    in  Figure  3?

(A) y   =   (x  −   2)(x    −   3)

(B) y   =   (x  +   2)(x    +   3)

(C) y   =   (x  +   2)(x    −   3)

(D) y   =   (x  −   2)(x    +   3)

(E) x   =   (y  +   2)(y    −   3)

18 . If a + b = 15, b + c = 10, and a + c = 13, which of the following is true?

(A) a   <   b   <   c

(B) b   <   a   <   c

(C) c   <   b   <   a

(D) a   <   c   <   b

(E) b   <   c   <   a