Questions

• Basic Properties of Circles Understand the properties of chords and arcs of a circle Understand the angle properties of a circle

  在圖中，$AB$ 是圓 $ABCD$ 的直徑。如果 $AB=12\ \mathrm{cm}$ 且 $CD=6\ \mathrm{cm}$，則陰影區域的面積是多少？

  

  2012

• Transformation and Symmetry recognize reflectional and rotational symmetries in 2-dimensional (2-D) shapes

  下列關於一個正十二邊形的敘述哪些是真的？ I. 每一個外角是$30^{\circ}$。 II. 每一個內角是$150^{\circ}$。 III. 反射對稱軸的數量是$6$。

  2012

• Introduction to Coordinates

  點$P$的直角坐標是$(-3,-3 \sqrt{3})$。如果$P$逆時針旋轉$90^{\circ}$關於原點，那麼它的像的極坐標是

  2012

• Equations of Circles Understand the equation of a circle Find the coordinates of the intersections of a straight line and a circle and understand the possible intersection of a straight line and a circle

  若$P$是在直角坐標平面上的一個移動點，使得$P$和點$(20,12)$之間的距離等於5，則$P$的軌跡是一個

  2012

• Equations of Straight Lines Understand the equation of a straight line Understand the possible intersection of two straight lines

  在圖中，直線$L_{1}$和$L_{2}$的方程式分別為$ax+y=b$和$cx+y=d$。以下哪些是正確的？ I. $a<0$ II. $a<c$ III. $b>d$ IV. $ad>bc$

  

  2012

• Equations of Circles Understand the equation of a circle Find the coordinates of the intersections of a straight line and a circle and understand the possible intersection of a straight line and a circle

  在圖中，圓的半徑和圓心的坐標分別為 $r$ 和 $(h, k)$。下列哪些是正確的？ I. $h+k>0$ II. $r-h>0$ III. $r-k>0$

  

  2012

• More About Probability Recognize the notation of set language including union, intersection, and complement Understand the addition law of probability and concepts of mutually exclusive events and complementary events

  9$\star\diamond$是一個三位數，其中$\star$和$\diamond$是從0到9的整數。找出這個三位數能被5整除的概率。

  2012

• Simple Idea of Probability

  從一組成員中隨機選擇一名成員。找出所選成員的年齡不低於74歲的概率。

  

  2012

• Measures of Dispersion Understand the concept of standard deviation for both grouped and ungrouped data sets Compare dispersions of different data sets using appropriate measures

  The bar chart below shows the distribution of the numbers of rings owned by the girls in a group. Find the standard deviation of the distribution correct to 2 decimal places.

  

  2012

• Measures of Central Tendency

  考慮以下數據： $\begin{array}{11111111111} 19& 10&12&12&13&13&14&15&16&m& n \end{array}$ 如果上述數據的平均數和中位數都是14，那麼以下哪些是真的？ I. $m \geq 14$ II. $n \leq 16$ III. $m+n=30$

  2012