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PREP07 Test 1	On the number line, if the number k is to the left of the number t, is the product kt to the right of t ?(1) t < 0(2) k < 1
Magoosh	In the xy-coordinate system, line k passes through points (-5m, 0) and (0, 2m). Which of the following is a possible equation of line k?
	The value of $$-{3}+\sqrt{9-k}$$ is positive for which of the following values of k ? I. -1 II. 0 III. 1
	If n is the product of the integers from1 to 20 inclusive, what is the greatest integer k for which $${2}^{k}$$ is a factor of n?
OG15 OG16 OG17 OG12 OG18 OG19 OG20 OG2022	k, n, 12, 6, 17What is the value of n in the list above?(1)k < n(2)The median of the numbers in the list is 10.
Magoosh	n is a positive integer, and k is the product of all integers from 1 to n inclusive. If k is a multiple of 1440, then the smallest possible value of n is
OG12	In the xy-coordinate system, if (a,b) and (a + 3,b + k) are two points on the line defined by the equation x = 3y- 7, then k =
OG18-数学分册	In the coordinate plane, line k passes through the origin and has slope 2. If points (3,y) and (x,4) are on line k, then x + y =
	Fermat primes are prime numbers that can be written in the form $${2}^{k}+{1}$$, where k is an integer and a power of 2. Which of the following is NOT a Fermat prime
PREP07 Test 2	In the xy-coordinate plane, line m and line k intersect at the point (4, 3). Is the product of their slopes negative?(1) The product of the x-intercepts of lines m and k is positive.(2) The product of the y-intercepts of lines m and k is negative.
Magoosh	If$$ 2^{k} = 3, then 2^{3k+2} =$$
OG18-数学分册	Did Insurance Company K have more than $300 millioin in total net profits last year?(1) Last year Company K paid out $0.95 in claims for every dollar of premiums collected.(2) Last year Company K earned a total of $150 million in profits from the investment of accumulated surplus premiums from previous years.
OG19-数学分册	Did Insurance Company K have more than $300 million in total net profits last year? (1) Last year Company K paid out $0.95 in claims for every dollar of premiums collected. (2) Last year Company K earned a total of $150 million in profits from the investment of accumulated surplus premiums from previous years.
Ready4	The function $g$ is defined for each positive three-digit integer $m$ by $g(m) = 2^{a} \cdot 3^{b} \cdot 7^{c}$ where $a, b$ and $c$ are the hundreds, tens, and units digits of $m$ respectively. If $j$ and $<font color='#FE8080'>k</font>$ are three-digit positive integers such that $g(j)=16\cdot g(<font color='#FE8080'>k</font>)$ , then what is the value of $j-<font color='#FE8080'>k</font>$ ?
Magoosh	Set S consists of all the positive multiples of 5 that are less than K, and K is a positive integer not divisible by 5. The mean of Set S is not divisible by 5. Let N be the number of members of the set. N is not divisible by 5. What does N equal?Statement #1: N < 52Statement #2: $$\frac{K}{5}$$ > 48
Magoosh	If x, y and k are integers, is xy divisible by 3?(1) $$y = 2^{16} - 1$$(2) The sum of the digits of x equals $$6^k$$
PREP07 Test 2	In the xy-plane, the line k passes through the origin and through the point (a, b), where ab ≠ 0. Is b positive?(1) The slope of line k is negative.(2) a > b
190603	The function of a straight line in the rectangular coordinate system is y=5x. If a straight line K is perpendicular to line y=5x, which of the following could be the expression of the line K ?
Ready4	How many integers k are there such that $1 < 7 k - 14 < 49$ ?
OG18-数学分册	If N is a positive odd integer, is N prime?(1) $$N = 2^{k} + 1$$ for some positive integer k.(2) N + 2 and N + 4 are both prime.