國中 解答

Susan found this reading on Instagram. Which hashtag(主題標籤) did she use?

Who might have the problem of sleepwalking?

What does “it” mean here?

What time did they likely talk on the phone?

What was Serena doing when Diana went to bed yesterday?

Taking pictures and swimming interesting.

Irene ______ to talk to Lucas after he broke her favorite toy.

What ______ you ______ at six last night? I was showering at that time, and I heard you shouting.

LeBron James _____ practicing playing basketball in his free time, so he becomes one of the best NBA players.

The kids ______ any money in the drawer. However, they found some beautiful pictures of themselves.

______ is good for the health ______ enough sleep every night.

The Lins are talking about ______ to a new place during the next summer vacation.

Micheal and his brother ______ with each other when his parents came home.

_____ a great wizard(男巫) is Lord Voldemort’s dream.

Eason planned ______ his pet dog after work.

20 甲、丙是長方形,乙是正方形。已知甲、乙、丙的邊長都是 x 的一次多項式,且其一次項的係數皆為正整數。若 甲的面積是 x 2 − 4,丙的面積是 x 2 + 15x − 34,則 AB ̅̅̅̅ + BC ̅̅̅̅ 的結果與下列哪一個式子相同? (素養試題)

19 若多項式 A=(3x2+4x-4)(3x2+2x-8),則下列何者為 A 的因式?

a = 4−√7,b = 4+√7,則

(甲) √24 和 √54 (乙)√0.002 和 √0.2 (丙) 和 5√5 (丁)√5 3 和 √0.03

15 多項式 8x − 40x + 50 可以因式分解成 2(ax + b) ,其中 a、b 均為整數,求 a+b 之值為何?

14 若 6、8、x 是直角三角形的三邊長,則 x 可能為下列何者? (甲) 9 (乙) 10 (丙) 14 (丁) 2√7 (戊) 4√7

13 樂多繼承一塊底為(5x+11)公尺、高為 2x 公尺的三角形土地,已知政府將土地重劃成長方形;若經重劃後的土地 面積減少 12 平方公尺,且長方形土地的長為(bx+c)公尺,寬為(x+a)公尺,其中 a、b、c 均為整數,則 a+c 之 值為何?(素養試題)

12 若(x − 1)(x − 3)與 x +2x-3 的公因式為 x + c,則 c 之值為何?

11 下列何者為多項式 (x − 5)(x + 1) − (5 − x)(x − 2) 的因式分解?