SAT2数学Level 2练习题 Question #7:
If log(x) = 2 and log(y) = 5, what is log(x2y3)?
(a) 11
(b) 15
(c) 17
(d) 19
(e) 29
SAT2数学Level 2练习题 Question #8:
What is the greatest common factor of 17 and 81?
(a) 1
(b) 17
(c) 3
(d) 9
(e) 27
SAT2数学Level 2练习题 Question #9:
In the (x,y) plane, which of the following statements are true?
I. Line y + x = 5 is perpendicular to line y - x = 5.
II. Lines y + x = 5 and y - x = 5 intersect each other on the y axis.
III. Lines y + x = 5 and y - x = 5 intersect each other on the x axis.
(a) I is the only true statement
(b) II is the only true statement
(c) I and II are both true
(d) I and III are both true
(e) II and III are both true
SAT2数学Level 2练习题 Question #10:
Find the domain of the function f(x) = √( -x) / [(x - 2)(x + 2)]:
(a) (-∞ , -2) U ( -2 , 0)
(b) (-∞ , -2) U ( -2 , 0]
(c) (-∞ , 2) U ( 2 , 0]
(d) (-∞ , 2) U ( 2 , 0)
(e) (-∞ , -2) U ( -2 , 2)
要想SAT2数学成绩有所提高，坚持每天做练习是十分必要的，就像这样每天完成SAT2数学Level 2练习题，并进行总结，日积月累，成绩就会有明显地提高。
