問題詳情
5.若不等式ax2 - bx - 3 ＜ 0的解為- 1 ＜ x ＜ 3，則a + b之值=____________。
參考答案
答案：A
難度：適中0.576547
統計：A(177),B(30),C(46),D(26),E(0)
內容推薦
- As we move toward a capitated health system， it will be imperative for health care organizations
- 一元二次不等式2x2 ＞ x2 + 2x + 3的解為____________。
- 下圖顯示：～ 年間，「地球」生病了，躺在床上，有三位當時掌握世界權勢的醫生聯合診斷。這三位中，最右邊的是史達林，中間的是羅斯福。試問，左邊那位最有可能的是誰？
- 不等式2 - 2x ＞ - 3(4 + x)的解為____________。
- 長、寬、高分別為a、b、c之長方體，若2a + b + c = 6，則此長方體可能的最大體積為____________。
- 一位女士回憶某一事件說：「當時全家被困在政治孤島之中，物資極度缺乏，連牛奶、衛生紙及冬天取暖用的煤，都是美軍利用飛機，搭起空中橋梁運送進來。這種生活大概持續了一年，直到蘇聯軍隊解除封鎖，情況才得以
- 下列哪一個學生的智力測驗的全量表智商可能會被低估？ (A)甲生(B)乙生(C)丙生(D)丁生
- （ ）德國政府說：「美國人對世界文明的唯一貢獻就是發明了口香糖及可口可樂。」同一時期，日本政府宣傳：「進口可口可樂就等於進口了美國社會的病毒。」這種說法應是何時出現？ (A) 年美國
- 有一個東歐國家，曾經是十六世紀時東歐地區的強國，但在十八世紀時，卻遭到強鄰的三次瓜分，在拿破崙獨霸歐洲時，曾成立公國，但拿破崙失敗後，又再度為俄國統治，第一次世界大戰後終於恢復獨立，但二次大戰時
- 天球上任一通過天體與天球南北極的大圈稱為何？(A)日行圈（Diurnal Circle）(B)卯酉圈（Prime Vertical Circle）(C)高度平行圈（Parallel of Alti
內容推薦
- It was not that I was annoyed at her avidity but I was really struck with the _____ between such
- The men were lined up in a long _____, making their way to the recruiting office.(A) queue(B) rep
- 若並求此時的x、y之值。x、y均為正數，且xy = 50，試求x + 2y的最小值
- 【題組】(A) on the part of(B) at the cost of(C) in the sight of(D) by the name of
- Sometimes, I feel discriminated against, but it does not make me angry. It merely 21 me. How can any
- What are your _____ for deciding which words to include in this dictionary?(A) kinship(B) prejud
- Abandoning everything to the greedy grasp of those around her, the mother darted, with distractio
- 圖示不等式的解： - x + 2y ≤0
- 【題組】(A) above(B) midst(C) into(D) from
- 【題組】(A) miscellany(B) gold(C) proximity(D) straws
- Do not, I beg of you, _____ today’s sun with the showers of tomorrow.(A) dampen(B) prejudice(C)
- From the first my fellow-pupils used to tease and _____ and mock me whenever I was saying my less
- 解不等式: 【題組】(1)x2 + 6x + 9≥0
- III. 篇章結構：16%，每題2分Consumer behavior consists of the actions that consumers take in regard to making
- 【題組】(A) established(B) formulated(C) crumbled(D) populated
- All during the first year Louise tried to make her husband understand the vague and _____ hunger
- While you _____ one sin and will not part with it, it must drag you down to misery after death, a
- 【題組】 (2)x2 + 6x + 9 ＜ 0
- 【題組】(A) without(B) by(C) in(D) after
- II. 克漏字：30%，每題2分The McDonald’s Corporation has become a powerful symbol of America’s service economy
- Many corporations create their cash flow or financing channels through _____ because they can obt
- 邊長5 m、4 m、3 m的直角三角形電路，通以2 A電流，置於方向向右且強度3 T的均勻磁場中。若電路的平面與磁場方向平行，則整個線圈所受之磁力與磁力矩各為何？ (A)磁力0、磁力矩0 (B)
- 【題組】(A) Also(B) However(C) Even if(D) Perhaps
- 【題組】(A) appropriated(B) estimated(C) calculated(D) understood
- Though I knew how to translate exactly what she had told me, I realized that any translation woul