SAT Subject Test Mathematics Level 1

what    is  x   in  terms   of  y   and a?

(A)

(B)

(C)

x   =

y(a^2   +   7a)

(D)

x   =   (y  +

7 a)(y  −   a^2 )

(E)

28 . Solve for x to the nearest hundredth:

(A) −0.76

(B) −0.69

(C) −0.67

(D) 0.69

(E) 0.76