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来源	题目内容
Ready4	Is $j$ equal to the median of the three positive integers $h$ , $j$ , and $<font color='#FE8080'>k</font>$ ? (1) $<font color='#FE8080'>k</font> < h+j$ (2) $h=<font color='#FE8080'>k</font>$
	What is the value of$$\frac1 k+\frac1 r$$(1)k+r=20(2)kr = 64
OG16 OG17	For any positive integer x, the 2-height of x is defined to be the greatest nonnegative integer n such that $${2}^{n}$$ is a factor of x. If k and m are positive integers, is the 2-height of k greater than the 2-height of m ? (1) $$k>{m}$$ (2)$$\frac{K}{M}$$ is an even integer.
190321	$$k^4$$can be divided by 32. What is the reminder of k when divided by 32?
	If n and k are positive integers, is $$\frac{n}{k}$$ an even integer?(1) n is divisible by 8.(2) k is divisible by 4.
PREP07 Test 1	In the rectangular coordinate system shown above, does the line k (not shown) intersect quadrant II?(1) The slope of k is -1/6(2) The y-intercept of k is -6.
PREP07 Test 2	In the xy-plane, line k has positive slope and x-intercept 4. If the area of the triangle formed by line k and the two axes is 12, what is the y-intercept of line k ?
Ready4	If lines $j$ and $<font color='#FE8080'>k</font>$ are parallel to each other, is the slope of line $<font color='#FE8080'>k</font>$ negative? (1) line $<font color='#FE8080'>k</font>$ has a $y$ -intercept of $7$ (2) line $j$ passes through the point $(-2,-1)$
Ready4	Lines $<font color='#FE8080'>k</font>$ and $n$ lie in the $xy$ -plane. Is the slope of line $<font color='#FE8080'>k</font>$ greater than the slope of line $n$ ? (1) The $y$ -intercept of line $<font color='#FE8080'>k</font>$ is negative and the $y$ -intercept of line $n$ is positive. (2) Lines $<font color='#FE8080'>k</font>$ and $n$ intersect at the point $(-2,3)$ .
OG19-数学分册	Is k + m < O ? (1) k < O (2) km> O
Magoosh	If K is the least positive integer that is divisible by every integer from 1 to 8 inclusive, then K =
Magoosh	Set K consists of a finite number of consecutive odd integers. If x is the smallest number in K and y is the greatest, then y - x =(1) The average (arithmetic mean) of set K is –36.(2) There are 8 numbers in set K.
190207	It si given that: d=$$2^{64}$$ , $$d^{d}$$=$$2^{k}$$. So what is the value of k
OG12 OG15	What is the average (arithmetic mean) of j and k ?(1)The average (arithmetic mean) of j + 2 and k + 4 is 11.(2)The average (arithmetic mean) of j, k, and 14 is 10.
PREP07 Test 2	in the xy-plane, each point on circle K has nonnegative coordinates and the center of K is the point (4, 7). What is the maximum possible area of K?
OG16 OG17 OG18 OG19 OG20 OG2022	The sum of all the integers k such that -26 < k < 24 is
	Is the integer k a prime number?(1)2k=6(2)$$1\lt k\lt 6$$
PREP07 Test 2	If x = 3 and y = 6, is y > nx + k ? (1) n = 5 (2) k = -10
	In the xy-plane, if line k has negative slope and passes through the point (-5,r), is the x-intercept of line k positive?(1) The slope of line k is -5.(2) r>0
Ready4	What is the ten-thousandths digit of the decimal $<font color='#FE8080'>k</font>$ ? (1) The thousandths digit of $10 \cdot <font color='#FE8080'>k</font>$ is $3$ . (2) The tenths digit of $1{,}000 \cdot <font color='#FE8080'>k</font>$ is $3$ .