展开全部

题目列表

题目内容
f(x) is one more than the greatest integer less than x

Quantity A

f(1.75)

Quantity B

f(1.05)


The operation ▼ is defined by $$ n^{▼}=(n-1)^{2} $$ for all numbers n.

Quantity A

$$ \frac{(a+1)^{▼}}{a^{2}}$$

Quantity B

1


For all numbers x and y, the operation ▼ is defined by x ▼ y=x-2y.

Quantity A

1▼(2▼3)

Quantity B

(1▼2) ▼3


If $$r=p^{n}$$, where $$p$$ is a prime number, and $$n$$ is a positive integer, then define $$r△=(r)(n)$$. For example, $$25=5^{2}$$, then 25△=(25)(2)=50. Therefore, what is the value of 32△?
In an xy-plane, the graph of y=$$x^{2}$$+5 passes through point (0, b) and point (a, 10)

Quantity A

-a

Quantity B

b


A point A (3s, 2s-3) is on the line y=-x-4, what is the value of s?

Give your answer as a fraction.


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 x does the graph of g intersect the graph of f?
Line k in the xy-plane has y-intercept 6 and contains the point (a, -2), where a > 0

Quantity A

The slope of the line k

Quantity B

1


In the xy-plane, line m (not shown) has a positive slope and a positive x-intercept. Line m intersects which of the quadrants?

Indicate all such quadrants.
Line k passes through point (7, 7) and is perpendicular to Line l y=-x+4. The midpoint of the intersection point of line l and line k and Point (7, 7) is Point (a, b).

Quantity A

a+b

Quantity B

10


In xy-plane, point (-3,2) is on line k, and the line intersects with the two axes.

Quantity A

x-intercept of line k

Quantity B

y-intercept of line k


In the $$xy$$-plane, the slope of line $$l$$ is $$p$$, the slope of line $$n$$ is $$q$$, the $$y$$-intercept of line $$l$$ is $$f$$, and the $$y$$-intercept of line $$n$$ is $$j$$. $$0 \lt q \lt p$$, $$0 \lt f \lt j$$.

Quantity A

The $$x$$-intercept of line $$l$$

Quantity B

The $$x$$-intercept of line $$n$$


The slope of line m is d, and the y-intercept is a. The slope of line n is b, the y-intercept is c. 0 < c < a, 0 < d< b

Quantity A

The x-intercept of line m

Quantity B

The x-intercept of line n


Set S contains all points (x, y) where x and y are integers

Quantity A

The number of points in Set S such that the distance between (x, y) and (7, 5) is 2

Quantity B

4


Line k passes through point (7, 7) and is perpendicular to Line l y=-x+4. If the distance between Point O and point (7,7) is the same as the distance between Point O and the intersection point of line l and line k, then Point O could be?

Indicate all such points.
The radius of a circle is 5. (6, 0) and (0, y) are two ends of the diameter. Which of the following could be the value of y?

Indicate all such values.
In the rectangular coordinate system, the distance between the points $$(a, 2)$$ and $$(b, 6)$$ is $$5$$.

Quantity A

$$|a-b|$$

Quantity B

$$3$$


In the xy-plane, the coordinate of R and S is (1, 7) and (1, 1), respectively. The x-coordinate of T is 3, and the y-coordinate is greater than 4. Which one of the following statements must be true?

Indicate all such statements.
Point Q is on the line l. The distance between point P and line l is 2, PQ=3

Quantity A

The number of point P

Quantity B

4


共收录:

25000 +道题目

256本备考书籍

最新提问