SAT2数学Level 2练习题 Question #7:
The side of a cube is two times the radius of a sphere. What is the ratio of the volume of the cube to the volume of the sphere?
(a) 6/?
(b) 3/?
(c) ?/6
(d) ?/4
(e) ?
SAT2数学Level 2练习题 Question #8:
If tan(2x) = 2, tan(x) is equivalent to which of the following expressions?
(a) sin(2x)/cos(2x)
(b) 1 + tan(x)
(c) 1 - tan(x)
(d) (1 - tan(x))(1 + tan(x))
(e) (1 - tan(x))2
SAT2数学Level 2练习题 Question #9:
What is the closest approximation of the value of angle a in the figure below, if AB = 7, BC = 11 and CA = 5?
(a) 96.4o
(b) 100.8o
(c) 144.9o
(d) 132.2o
(e) 135.9o
SAT2数学Level 2练习题 Question #10:
For some positive real number ‘a’, the first 3 terms of a geometric progression are a - 1, a + 3 and 3a + 1. What is the numerical value of the fourth term?
(a) 25
(b) 36
(c) 32
(d) 100
(e) 9
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。
