問題詳情
18. 因式分解 25(x-3)2 +30(x-3)+9,可得下列哪一個結果?
(A)(5x-3)2
(B)(5x-6)2
(C)(5x-9)2
(D)(5x-12)2
(A)(5x-3)2
(B)(5x-6)2
(C)(5x-9)2
(D)(5x-12)2
參考答案
答案:D
難度:計算中-1
書單:沒有書單,新增
內容推薦
- 下列哪個根式是最簡根式? (A) (B) (C) (D)
- 下圖是 A 鎮到 B 鎮的道路圖,它是利用間隔均為 1 的棋盤式方格為底所設計的,則從 A 鎮到 B 鎮走哪條路徑第二短? (A)P (B)Q (C)R (D)S
- 若 x、10 為直角三角形的三邊長,則 x=?(A)6 (B) (C)12 (D)
- 下列哪一組可以是直角三角形的三邊長?(A)52 (B) (C) (D)8
- 下圖,△ABC 中,若∠BAC=90°, ,且 為△ABC 斜邊上的高,則 =? (A)6 (B)6 (C)5 (D)2
- 下列等式何者不正確?(A) (B) (C) (D)
- 一三角形其底長為( )公分,高為( )公分,則此三角形面積為多少平方公分?(A) (B) (C) (D)
- 求( =?(A)10 (B) (C)18 (D)
- 下列哪一個選項與 的值相等?(A) (B) (C) (D)
- 因式分解 4ax2-8ax 的結果為下列何者(A) 4ax(x-2) (B)a(4x-8x) (C)a(4x-8) (D) 4(ax2-2a)
內容推薦
- 下列何者是 4x2y2-x2+2xy-y2 的因式? 甲:2xy+x+y 乙:2xy+x- y 丙:2xy-x+y 丁:2xy-x-y(A)甲、丙 (B)甲、丁 (C)乙、丙 (D)
- A:Do you know where my key is? B:It’s at the ___ of your bag.(A) pleasure (B) speech (C) type (D)
- My dad sent me a ___ with a lot of food andclothes in it(A) bottom (B) seed (C) rock (D) package
- Turning off the light after leaving the room is the firststep to save ___.(A) electricity(B) note
- The school has tried many ways to ___ thestudents to use the library.(A) encourage (B) fill (C) p
- The vegetables __ my kids don’t like smell strange.(A) who (B) ╳ (C) those (D) what
- James: Do you see the street vendor(攤販) over there? Philip: Which one? James: The one is wearing
- The small town ___ my grandpa used to live inwas clean and quiet.(A) when (B) what (C) which (D)
- The medicine I you this morning should betaken three times a day.(A) to give (B) given (C) giving
- A:Can we learn any lessons from this book? B:No, we can’t learn ______.(A) nothing usefully (B) a
- The boy and his pet ___ are playing under the treelook so happy.(A) what (B) that (C) ╳ (D) who
- Linda dreams of buying a house ___.(A) with a big yard (B) who has a big yard(C) has a big yard (
- Adam is the boy ___ a blue sweater.(A) who wear (B) in (C) who are wearing(D) wears
- The girl ___ long hair is John’s sister.(A) has (B) in (C) with (D) who have
- Patty knows the star is very popular with teenagers.(A) who (B) those (C) which (D) h
- Actor David Piper became tired of talking about themovie after he was interviewed(訪
- The books ___ written by the writer are on sale.(A) who was(B) those are(C) which is (D) that we
- The house ___ four rooms ___ large enoughfor a big family to live in.(A) that have; is (B) that
- I like to read comic books ______ me laugh.(A) made (B) to have made (C) that makes(D) which mak
- Sean likes this DVD a lot. He has watched it .(A) dozen of time (B) a dozen o
- 【題組】(A) without (B) hasn’t (C) no (D) with
- 【題組】(A) in (B) with (C) to (D) of
- 【題組】(A) I should read it (B) I won’t be interested in it(C) he won’t buy me the book(D) he hasn’t
- 【題組】(A) How do you take the castle(B) What do you mean by “killing” a player(C) What do you do af
- 【題組】(A) it’s an expensive hobby(B) it hurts when you get hit(C) you need a big space for the game