SAT Subject Test Mathematics Level 1

Sphere: If  r   =   radius, then

and Surface Area    =   4πr^2.

Pyramid: If B   =   area    of  the base    and h   =   height, then

1 . If a + b = 10 and both a and b are positive integers, what is the largest
possible value for a?

(A) 6

(B) 7

(C) 8

(D) 9

(E) 10

2 . If 2x + y = 2y – x, then y =

(A) 3 x

(B) 4 x

(C) 2 x +   2

(D) 3 x +   1

(E) 4 x +   1