問題詳情
7. （ ）因式分解9•(x－5)2－42(x－5)＋49，則下列何者是9•(x－5)2－42(x－5)＋49的因式？
(A)3x－
(B)3x－12
(C)3x－7
(D)x－5
(A)3x－
(B)3x－12
(C)3x－7
(D)x－5
參考答案
無參考答案
內容推薦
- （ ）如圖為一原子的元素符號 ，則有關此元素符號的敘述，下列何者正確？(A) 此為金原子 (B) 此原子的質子數有 個 (C) 此原子的中子數有 個 (D) 此原子的電子數有 14
- （ ）已知2x2－7x－15＝(x－5)(2x＋3)，則下列各式中，有幾個是2x2－7x－15的因式？甲：x－ 乙：2x＋3丙：2x2－7x－丁：2(2x＋3)(A)1個 (B)
- （ ）下列哪一個多項式含有因式2x＋3？(A)8x2－18 (B)2x2+6x+3(C)4x2+9 (D)4x－6
- （ ）若3是5＋x的一個平方根，試求x的正平方根＝？(A) －(B)(C)±(D)±3
- ( ）已知√71200≒2833281，若√x≒668332，則最接近x的整數為何？(A)7(B)(C)(D)7
- （ ）若長方形的寬為8公分，面積為120平方公分，則對角線長為多少公分？(A)6ˉ(B)8ˉ(C)17ˉ(D)20
- （ ）某些金屬之氧化物的質地緻密，能防止內部物質被氧化，下列何者為非？ (A) Ti (B) Al (C) Zn (D) Fe。
- 1 關於虹膜擴張肌與括約肌的敘述，下列何者正確？(A)擴張肌的功能由副交感支配 (B)括約肌在虹膜的排列位置以輻射狀呈現(C)括約肌的主要功能是增加周圍光線進入視網膜 (D)括約肌位於虹膜靠近瞳孔的位
- 以科學記號表示法記錄，則0.00000432 ＝ (1) 。編輯私有筆記及自訂標籤國一數學上第三次-106 年 - 2017臺北市北投國中七年級106 上學期數學第三次段考(期末考)翰林#7647
- （ ）附圖中甲、乙兩個電阻之電阻值分別為R甲和R乙，且2R甲＝R乙，已知該電路的電壓為V、總電流為I，則R乙可用下列何者表示？ (A) 7V/2I (B)3V/I (C)2V/3I (D)3V
內容推薦
- （ ）如圖所示的電路圖，每個燈泡及電池皆相同，若圖中ad間的電壓為5V，請問下列何者正確？ (A)bc間的電壓為5V (B)ef間的電壓為5V (C)eg間的電壓為5V (D)
- 下列關於黑潮的敘述，何者正確？(A)對臺灣的氣候和漁產有很大的影響 (B)是赤道海域向南流的海流 (C)是由潮汐引起的海水運動 (D)黑潮主流的流向四季不同
- 若直角三角形外心與重心的距離為5，且兩股長之和為42，則此直角三角形的內切圓面積為？(A) 36π (B) 64π (C) 16π (D) 144π 。
- （ ）已知直角三角形中，兩股長的平方和等於斜邊長的平方。若一直角三角形的兩股長各為1公分及2公分，且斜邊長為a公分，則下列那一個選項是正確的？(A)5＜a＜0 (B)0＜a＜5(
- A hideous hag emerged from the gingerbread house and spoke to Hansel and Gretel in a(n) _____ ton
- During the press conference, the members of the media were________ by the mayor’s purposefully va
- Since the freshman had expected to live in a cell-like space in college, he was pleasantly surpri
- The landlord refused to carry out repairs to a _____ house inhabited by a bedridden old lady of 9
- 如右圖，圓O 是直角△ABC 的內切圓，∠C＝90°， ＝5，則斜線面積為多少平方單位？(A) 4π (B) 30─4π (C) 60-4π (D) 4π15 。
- Martha often cracks her knuckles when she is speaking. It’s one of her little _____ that characte
- The politician could never speak simply; he was always _____ by using high-sounding language.(A)
- Although our manager is definitely not a________ , he does tend to pay a lot of compliments to t
- The detective was hired to track down the greedy accountant who________ some of his company’s fu
- Although the outsider was _____ and honest, many people in the town questioned his motives for s
- In situations where there are no _____ rules, leaders and governors have to make decisions in th
- If the pet owner doesn’t bother the cat, it will ________on the windowsill all day long.(A) fluct
- 二、語意測驗: 請依文意選出一個最適當的答案，每題 1 分，共 5 分。_____ Ikigai, loosely translated, means sense of purpose in
- Contrary to popular belief, the light bulb, a mainstay of modern life, had been around years bef
- Drones have become an increasing nuisance for airports worldwide in recent months, and good solu
- The prince’s traitorous acts placed a shameful blot on the royal family _____.(A) escutcheon (B)
- Please rearrange the following sentences into a coherent paragraph.(1) As the grim implications
- Please rearrange the following sentences into a coherent paragraph.(1) Air is forced upwards whe
- Andy Lou can be readily recognized by his _____ nose, curved like the beak of the eagle.(A) igno
- As we entered the farmyard, we were met with a _____ of animal sounds.(A) diminution (B) cacophon
- 【題組】 (A) marred (B) spanned (C) mopped (D) shunned (E) mugged