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191020 It is given that：y = x^2+ bx+ 4, which of the following values about “b” can make that equation have no intersection point with x-axis?
I. -2
II. 0
III. 4
GWD The passage contains information that answers which of the following questions?I. What portion of the research dollar in this country is spent each year by the federal government?II. Under what circumstances is an industrial giant likely to invest heavily in innovation?III. Why might a monopolistic producer want to suppress an innovation?
PREP07 Test 1 GMAT、gmat题库、gmat模考、gmat考满分Which of the following statements can be inferred from the data above?I. the Klein family's annual income more than doubled from 1985 to 1995II. the Klein family's annual income increased by a greater amount from 1985 to 1990 than from 1990 to 1995III. the Klein family's average (arithmetic mean) annual income for the period shown was greater than $40,000.
Magoosh $$10^{x} + 10^{y} + 10^{z} = n$$, where x, y, and z are positive integers. Which of the following could be the total number of zeroes, to the left of the decimal point, contained in n? I. x + yII. y – zIII. z
Which of the following can be odd?I. The sum of 7 consecutive integersII. The sum of 10 consecutive integersIII. The product of 13 consecutive integers
If 3 and 8 are the lengths of two sides of a triangular region, which of the following can be the length of the third side?I 5II 8III 11
PREP07 Test 1 If 0 < r < 1 < s < 2, which of the following must be less than 1?I. $$\frac{r}{s}$$II. rsIII. s - r
PREP07 Test 2 The y-intercept of a line L is 4. If the slope of L is negative, which of the following could be the x-intercept of L ? I. -1 II. 0 III. 6
Ready4

One month ago, Emily had twice as much money in her bank account than Mike and Mike had $200 more than Kelly. If Emily and Mike each deposited $200 in the past month and Kelly deposited $300 in the past month, which of the following must be true today?

  I. Mike has more money in his account than Kelly has.

 II. Mike's account balance today is half of Emily's account balance today.

III. Emily has more money in her account than Kelly has.
191031 还原机经选题: 数论&amp;代数 Of a positive three-digits number, the tens digit is three times the units digit, and the hundreds digit is twice the tens digit. Which of the following must be true? I. n是奇数 II. n的个位数，十位数，百位数相加为偶数 III. n除以3余1
191031 After a point moves around the circle for 300 meters, it returns to the original starting point. So which of the following could be the radius of the circle?
I. 150/π
II. 60/π
III. 15/π
Magoosh GMAT、gmat题库、gmat模考、gmat考满分In the diagram above, AB = 10 is the diameter of the circle, and AC = 6. Given that point C is inside the circle, which could be the length of BC?I. 7II. 8III. 9
190302 Which quadrant does line y=2x+4 intersect parabola y=-$$x^{2}$$+3?
PREP07 Test 1 Before being simplified, the instructions for computing income tax in Contry R were to add 2 percent of one's annual income to the average (arithmetic mean) of 100 unit of Contry R's currency and 1 percent of one's annual income. Which of the following represents the simplified formula for computing the income tax, in Country R's currency, for a person in that whose annual income is I?
OG16 OG17 OG18 OG19 OG20 OG2022 If $${x}{y}≠{0}$$ and $${x}^{2}{y}^{2}-{x}{y}={6}$$, which of the following could be y in terms of x?I.$$\frac1 {2x}$$II.$$-\frac2 x$$III $$\frac3 x$$
P, r, s, t, uAn arithmetic sequence is a sequence in which each term after the first is equal to the sum of the preceding term and a constant. If the list of letters shown above is an arithmetic sequence, which of the following must also be an arithmetic sequence?I 2P, 2r, 2s, 2t, 2uII P-3, r-3, s-3, t-3, u-3III $${P}^{2}$$, $${r}^{2}$$, $${s}^{2}$$, $${t}^{2}$$, $${u}^{2}$$
Magoosh If x is an odd negative integer and y is an even integer, which of the following statements must be true?I. (3x - 2y) is oddII. $$xy^{2}$$ is an even negative integerIII. $$(y^{2} - x)$$ is an odd negative integer
OG18-数学分册 In which of the following pairs are the two numbers reciprocals of each other?I. 3 and $$\frac{1}{3}$$II. $$\frac{1}{17}$$ and $$-\frac{1}{17}$$III. $$\sqrt{3}$$ and $$ \frac{\sqrt{3}}{3}$$
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<i>Hypnerotomachia Poliphilii> is a romance published in 1499 that, though the author was originally anonymous, has been attributed to Francesco Colonna. Some academics, however, doubt that Colonna is the author because, as a Dominican monk, he would not have the skill or experience to produce such a work. One academic has recently made the assertion that the attribution is correct, citing as evidence Colonna’s proximity to the text’s publisher, Aldus Manutius, and the wealth of other complex Renaissance works of literature confirmed to be written and compiled by talented members of the clergy. In light of this argument, it is clear that it is indeed possible that a member of a monastic order may have produced such a text.

Which of the following, if true, would most support the academic’s recent hypothesis concerning the authorship of <i>Hypnerotomachia Poliphilii>?
Magoosh From a cache of burnt bones, including bone tools, found in South Africa, <i style="font-style: italic;">Homo erectusi> had estimated control of fire 700,000 years ago, although other hominid groups might have even mastered fire earlier.