SAT Subject Test Mathematics Level 1

(D) 42.50   +   90x

(E) 42.50   +   1.5x

5 . Solve for x: 64x =

4 x^2 −4.

x   =   4   or  x   =

−1

(A)

(B) x   =   −4  or  x   =   1

(C) x   =   10

(D)

(E) x   =   3

6 . A rectangular solid has three faces with areas of 28, 20, and 35 square

centimeters.    What    is  the volume  of  this    solid?

(A) 83  cubic   cm

(B) 140 cubic   cm

(C) 166 cubic   cm

(D) 196 cubic   cm