問題詳情
1.二次函數y=a(x-h)2+k的圖形如圖所示,則下列敘述何者正確?
(A)a＞0, h＞0, k＞0
(B)a＜0, h＞0, k＜0
(C)a＞0, h＞0, k＜0
(D)a＜0, h＞0, k＞0
參考答案
無參考答案
內容推薦
- 試問下列哪一個函數不是的二次函數?(A)y=-x2+5x+1 (B)y=5x2+6x+3(C)y=5x+92+4 (D)y=(-2+x )( 3-4x )
- 兩個等腰直角三角形一定相似。(A)O(B)X
- The stars in the sky are_________. They are quite beautiful. (A)amazing (B)dark (C)turning (D)pa
- 下列含碳化合物中,哪些屬於有機化合物?甲.Na2CO3；乙.CO；丙CH4；丁.CH3COOH；戊.C2H5OH(A)甲乙丙戊(B)乙丙丁(C)丙丁戊(D)丁戊。
- 下列何者不是特別股的特性？(A)有股票與債券的性質 (B)有優先認購新股權利(C)有優於普通股之清償權 (D)有優先分配股利權
- 設a、b、c為常數，若a2+b2=0，且c≠0，則多項式ax3+bx2+cx+d的次數為何？(A) 零次 (B) 一次 (C) 二次 (D) 三次
- 請問sin73°,sin146°,sin219°,sin292°,sin365°這五個數值的中位數是哪一個?(A) sin146° (B) sin73° (C) sin365° (D) sin29
- 下列各選項中,哪一個敘述是錯誤的,請同學幫小明找出來? (A)在△ABC中,若∠A＞∠B則 (B)在△ABC中,若 ,則∠B＞∠Aㆍ (C)在△ABC與△DEF中,已知 ,若∠A＜∠D,則 ,這
- Bob: What’s that in your _____?Ted: It’s an eraser.(A) head (B) class (C) hand (D) letter
- 10權利金所得是否視為境內來源所得之判斷依據為何？(A)權利使用地是否在境內(B)交易契約簽訂地是否在境內(C)給付權利金地是否在境內(D)取得權利金所得者是否為我國之居住者
內容推薦
- 有關繪製機械工作圖中零件之尺寸標註，下列何者是屬於雙向公差？(A) 30m6 (B) 30E5 (C) 30J7 (D) 30f7
- 要想提供一個讓別人與自己的電腦透過網路做檔案上下傳服務，需要安裝的軟體工具是？(A) FTP (B) POP3 (C) HTTP (D) SMTP
- FSI之分類等級共分為幾級？(A)三 (B)四 (C)五 (D)六
- 下列有關年齡用語的說明，何者是正確的選項？(A)「及笄之年」是指女子十八歲成年 (B)「年方弱冠」是指男子剛滿二十歲(C)「強仕之年」是指男子三十歲適宜任官 (D)「花甲之年」是指百歲高壽
- 下列何者為絞線規格正確表示方式？(A)m2(B)mm2(C)mm(D)m。
- 下列木工機械中，鋸切彎曲工件為其主要功能之一者是？(A)懸臂鋸(B)圓鋸機(C)手提圓鋸機(D)帶鋸機。
- 設計 90 度肘管，下列何者的通風效果最好？(A)三節(B)二節(C)五節(D)四節。
- 打結機適用於(A)開口袋(B)開釦邊(C)打結於口袋兩端(D)車布邊。
- 32 We should care more about the content of the proposal rather than _____ things like how to format
- 33 Filled with trees, shrubs, and meadows, city parks provide people with a tranquil spot to _____ t
- 34 The city government initiated the scheme to _____ the beginning of child welfare services.(A)resp
- 35 Life seems a little less _____ when we can always depend on some people to keep us company, espec
- 36 Throughout the world, there has been a(n) _____ loss of tribal languages. Some linguists estimate
- 37 The idyllic image of the Mediterranean is beginning to _____ as plane crashes, beach attacks and
- 38 Telemedicine is about providing medical support at a distance to people who have no _____ to a do
- 39 It is advised that Asian immigrants bring with them some induction-friendly pressure cookers if t
- 40 Even though Agatha is the best badminton player in our class, she accidentally _____ her ankle ba
- 41 More _____ treatment was provided for patients whose condition had not improved.(A)intensive (B)i
- 【題組】43 (A)rush hours (B)career periods (C)incubation periods (D)peak seasons
- 【題組】44 (A)summer vacation (B)annual vacation (C)anniversary (D)wedding celebration
- 【題組】46 (A)article (B)detail (C)ingredient (D)item
- 【題組】47 (A)crux (B)engima (C)mystery (D)paradox
- 【題組】49 The word “altogether” is closest in meaning to(A)completely (B)virtually (C)individually (D)i
- 【題組】50 Which of the following statements does the passage support?(A)The development of science and
- 裁剪工程進行之前，極為重要的動作是(A)驗布(B)拉布(C)裁剪(D)捆紮。