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PREP07 Test 1 If a, b, k, and m are positive integers, is $${a}^{k}$$ a factor of $${b}^{m}$$? (1) a is a factor of b. (2) $$k \leq m$$
Magoosh K is a rectangular solid. What is the volume of K?Statement #1: a diagonal line across the front face of K has a length of 40Statement #2: a diagonal line across the top face of K has a length of 25
Does the integer k have at least three different positive prime factors?(1)$$\frac{k}{15}$$ is an integer.(2)$$\frac{k}{10}$$is an integer.
OG18-数学分册 In the sequence $$ x_{0}, x_{1}, x_{2}, ..., x_{n}$$, each term from $$ x_{1}$$ to $$x_{k}$$ is 3 greater than the previous term, and each term from $$x_{k+1}$$ to $$x_{n}$$ is 3 less than the previous term, where n and k are positive integers and k < n. If $$ x_{0} = x_{n} = 0$$ and if $$ x_{k} = 15$$, what is the value of n?
Magoosh Line k is in the rectangular coordinate system. If the x-intercept of k is -2, and the y-intercept is 3, which of the following is an equation of line k?
The sum of the first k positive integers is equal to $$\frac{k(k+1)}{2}$$. What is the sum of the integers from n to m, inclusive, where $$0<{n}<{m}$$?
Magoosh If $$f(x) = x^3 - 5$$ and f(k) = 3 then k =
Ready4

If , what is the value of ?
Magoosh If k is an integer, what is the value of k?(1) $$\frac{1}{5}$$$$\lt$$$${1}\over{k-1}$$$$\lt$$$$\frac{1}{2}$$(2) 3$$\lt$$$${k+3}\over{2}$$$$\lt$$5
PREP07 Test 2 If K is a positive three-digit integer, what is the hundreds digit of K ? (1) The hundreds digit of K + 150 is 4. (2) The tens digit of K + 25 is 7.
OG18-数学分册 Is k + m < 0?(1) k <0(2) km >0
OG19-数学分册 If x and k are integers and $$(12^{x})(4^{2x+1}) = (2^{k})(3^{2})$$, what is the value of k ?
Magoosh If lines k and j are in the xy–coordinate plane, is the slope of line k greater than the slope of line j?(1) The x-intercept of line k is greater than the x-intercept of line j(2) Lines k and j intersect at (7, 2)
Ready4

The subsets of the set are:

, , , ,

, , ,

and (the empty subset)

How many subsets of the set contain either h or j?
OG19-数学分册 In the xy-plane, circle C has center (1,0) and radius 2. If line k is parallel to the y-axis, is line k tangent to circle C? (1) Line k passes through the point (-1,0). (2) Line k passes through the point (-1,-1).
Ready4

If  is a positive integer and , which of the following could be a value of ?
In the xy-plane, does the point (4, 12) lie on line k?(1)The point (1, 7) lies on line k.(2)The point (-2, 2) lies on line k.
PREP07 Test 2 In the xy-plane, line k passes through the point (1,1) and line m passes through the point (1,-1). Are lines k and m perpendicular to each other?(1) Lines k and m intersect at the point (1,-1).(2) Line k intersects the x-axis at the point (1,0).
OG19-数学分册 If k and £ are lines in the xy-plane, is the slope of k less than the slope of £ ? (1) The x-intercept of line k is positive, and the x-intercept of line £ is negative. (2) Lines k and £ intersect on the positive y-axis.
300难题 If K is a positive integer less than 10 and N = 4,321 十 K, what is the value of K ? 1.N is divisible by 3. 2.N is divisible by 7.