2022-12-05 20:03:04
来源：网络
作者：朗阁
QuantityA:Thenumberofintegersolutionsoftheequation3×^25x-2=0QuantityB:1AQuantityBisgreaterQuantityBisgreater gre数学真题
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Quantity A Quantity B
X У
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given.
Quantity A:
The number of integer solutions of the equation
3×^2+5x-2 = 0
Quantity B: 1
A. Quantity A is greater
B. Quantity B is greater
C. The two quantities are equal
D. The relationship cannot be determined from the information given
真题01思路：
注意，几何图形不一定按比例绘制!!!
因此，由于题干中没有告诉我们直线是否平行，我们无法判断×与y的大小。
正确答案：D
真题02思路：
3×^2+5x-2 = 0
(3x-1)(x+2)=0
X=1/3 or X=-2
虽然这个方程有2个解，但数量A对应的是这个
方程“整数”的解的个数!!!
这个方程的整数解只有“-2”这一种情况，所以数量A为1.与数量B相等。
正确答案：C
ABCE is a square, and BCDE is a parallelogram
Quantity A: The area of square ABCE
Quantity B: The area of parallelogram
BCDE
A. Quantity A is greater.
B. Quantity B is greater.
C. The two quantities are equal
D. The relationship cannot be determined
from the information given.
参考答案：C
3.The figure above shows the graph of a function f, defined by f(x)=|2x|+4 for all numbers x. For which of the following functions g defined for all numbers × does the graph of g intersect the graph of f?
A. g(x) ×-2
B. g(x) × 3
C. g(x) 2x -2
D. g(x) 2x 3
E. g(x) 3x – 2
4. In some cultures the essence of magic is its traditional integrity; it can be efficient only if it has been ------- without loss from primeval times to the present practitioner.
A, conventionalized
B, realized
C, transmitted
D, manipulated
E, aggrandized
magic：n.魔术，法术，巫术
integrity:n.1.正真，廉正，诚实 ，诚恳 2-完整，完全 3.完善，健全
primeval：a.原始的，早期的，远古的
efficient: a.1.效率高的，有能力的，能胜任的
2.直接产生效果的，有效的，生效的
conventionalize：a.使符合习俗，使惯例化，按传统手法表现
aggrandize： v.扩大…权势，*…地位，增进，扩充
在某些文化中,巫术的本质在于其传统的完整性：只有当它被完好无损地从远古时期传递到当今术士的手中，它方能显得卓有成效。
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