文档介绍：SAT 备考资料
ESSAY
Time — 25 minutes
Turn to page 2 of your answer sheet to write your ESSAY.
The essay givlled, you may check your work on this section only.
Do not turn to any other section in the test.
SECTION 2
Time — 25 minutes 20 Questions
Turn to Section 2 (page 4) of your answer sheet to answer the questions in this section.
Directions: For this section, solve each problem and decide which is the best of the choices given. Fill in the corresponding circle on the answer sheet. You may use any available space for scratchwork.
If t
= 2 nk , what is the value of k when t = 30 3
2. If 40, 404 + x = 44, 444, then 40, 404 - 10 x =
and n = 9?
(A)
-
5
6
10
20
45
0
4
(D)
(E)
On the number line above, the tick marks are equally
Questions 4-5 refer to the following graph.
spaced. What is the value of w - p ?
3 4
2 3
1 2
1 3
1 4
Which of the following regions in Africa had an elephant population in 1989 that was approximately 1 of its elephant population in 1979 ?
3
Central
Eastern
Southern
I only
II only
III only
I and III only
I, II, and III
From 1979 to 1989, the total elephant population in the four regions of Africa decreased by approximately what percent?
(A)
10%
(B)
30%
(C)
50%
(D)
70%
(E)
90%
For all numbers x, the function f is defined by f (x) = (x + 4)(x + 2). Which of the following has a negative value?
8. While driving on a 500-mile trip, Mr. Smith averages 60 miles per hour for the first t hours. In terms of t, where t < 8, how many miles remain to be traveled?
(A)
(B)
(C)
f (-5)
f (- 4)
f (-3)
f (-2)
f (-1)
(A) 60t - 500
(B) 500 - 60t (C) 30,000 - t
(D) 500 - 60
t
(E) 500 60t
In the figure above, EF divides square ABCD into two rectangles, and CD bisects EF . If AB = 4, what