SAT Subject Test Mathematics Level 1

5 .

Figure  1

In  Figure  1,  the area    of  rectangle   CDEF    is  twice   the area    of  rectangle

ABCF.   If  CD  =   2x  +   2,  what    is  the length  of   ,  in  terms   of  x?

(A) 2 x +   3

(B) 2 x +   4

(C) 3 x +   1

(D) 3 x +   2

(E) 3 x +   3

6 . If 2y^2 + x − 4 = 0 and then x =

(A) 1

(B) 2

(C) 3

(D) 4

(E) 5

7 . If a laser printer can print x pages per minute, how many minutes, in
terms of x, would it take the laser printer to print a 100-page
document?