1. If the perpendicular bisector of the segment with endpoints A(1,2) and B(2,4) contains the point (4,C), then the value of C is? (A) 7 (B) 4 (C) 4/7 (D) 7/4 (E) -4 ANS:(D) 2. If a cube has an edge length of 10, then the length of the segment connectiong the center of a face of the cube to any vertex not contained in the plane of that face is (A) 根號6 (B) 6*根號5 (C) 5*根號6 (D) 3*根號5 (E) 10*根號6 ANS:(C) (這兩題完全看不懂題目在問什麼..........) 3. Three friends are playing a game in which each person simultaneously displays one of three hand signs: a clenched fist, an open palm, or two extended fingers. How many different combinations of the signs are possible? (A) 7 (B) 9 (C) 10 (D) 12 (E) 27 ANS:(C) (不是應該是3*3*3/3=9種嗎?) 4. column A column B --------------------- ---------------- the number of 3-digit 5 whole numbers whose sum of the digits is equal to 3. ANS:(A) (三位數一定比一位數大阿 這有什麼好比的...是我會錯意思嗎?) 5. Paul wants to put up a 120-feet hedge around three sides of his rectangular garden and leave a side unfenced. If the garden has the greatest area, how many square feet of the garden will Paul hedge around? (A) 1200 sq ft (B) 1800 sq ft (C) 2400 sq ft (D) 3000 sq ft (E) 3600 sq ft ANS:(B) 6. If two cards are drwan at random without replacement form a standard deck of 52 cards that contain four different suits of 13 cards each, which is the probability that both cards will be of a given suit? (A) 1/4 (B) 3/13 (C) 13/102 (D) 1/13 (E) 1/17 ANS:(E) (這題是在問2張牌都是特定花色的機率嗎? 我為什麼會算成4/17..................) 7. If x varies directly as y^2, and x=8 when y=2, what is the value when x=32? ^^^^^^^^^^^^^^^^^^^^^^^^^ 是說y^2=ax這樣囉? 8. column A column B ----------------------- ------------------------- The area of table-cloth The area of a table-cloth that overhangs a circular that overhangs a square tabletop by 1 meter on all tabletop by 2 meter on all sides. sides. ANS:(D) (又是一個看不懂..............) 麻煩大家囉! 謝謝=) ※ 編輯: moneyshow 來自: 123.193.51.54 (05/19 20:08)