想問問這題是怎麼看的~🙇🏻

1. In the movie, the Harvard- lawyer leads a perfect life, but a heart- secret about his past is revealed and ruins everything. (A) educated; breaking (C) educated; broken (B) educating; broken (D) educating; breaking

請教這兩題🙏

people based on their appearance. lence against Mean women happen Jevijas & 101 19 svlovai dan od (8) II. : 10% for one now no absof bluoda uszods levitest out rights turned violent, and ten peop (D) Mexicali oma hosed (&) 11. In 1926, Gertrude Ederle became the first woman in history is befrom England to France. (A) to swim (B) swim .85 (C) swam gnillimduz topic, she'll require that the group (C) 12. If the teacher doesn't like the to (A) comes (B) came (C) come group (D) swum up with (3) a new one. (D) to come B ing B

請問要如何消掉y？？

6. 「cos60° -sin 600- sin60° cos60° √√√3 14 t 1-25 2 -√√√3 2 = √√3 (B)() -t+1 得 x= 疗 √3 OS y=. -t+1, 2 0 消去得√3x-y+4=0。 7x10x r 11.

請問第二題要怎麼解😭

cos 90° sin 90° 故 sin 90°-cos 90° 所以P點的坐標是(一 (2)以L:y=3x為對稱 鏡射矩陣為 cos 120° sin 120° cos 120° sin 120 EX sin 120°-cos 120 3212 1232 4 2 0-45 L 91-55X M m:B tan-53 7 02-60° p+(-2.4) 4 12) 63/20 574/20 A. 41 ][2][3]. = 1 J=-x m=1 = tank -103(-90) sin(-702 5m(-90°) -3(-40°) 11 M= 所以P點的坐標是(一 97 X軸為對稱軸(斜角 Os 0° sin 0° 10° - cos 0° Cos 0° sin 0° in 0°-cos 0° 0 To 2 1 2 2 0 0 -1 -1 0.1 || 類題 『變換後所得圖 2 HON By: x J= 15 m = = = tand 設平面上一直線L:x-3y=0, 0=30° a 9 1 0-220 (1)求點P(1-33)對於直線的對稱點P'的坐標。 ②求直線x+3y=2對於直線L的對稱直線L'的方程式。圏 山 cos 600 -Sinbo 7 5th 60-60360° (41255) = # 2- -4. 32 -35 烧

想問問這題🙇🏻

C 1. classroom. the students sprang up from their seats and ran out of the (B) The moment the bell rings (A) Upon giving out homework (C) Upon hearing the bell ring (D) Upon dismissing the class 2 一看見久違的朋友

求解15題

our arrangements. (A)on (B) for (C)about (D)to person doesn't make any difference repeated failure, Joyce never gave up and kept going on. (A)Despite (B)Without (C)Though (D)By The diner finished his lunch, i 1 ! a big tip on his table in appreciation of the good service 16 provided by the waitress. (A) left (B) to leave (C) and leave (D) leaving

求解

ming up his body first. (A)without 双否定 (B)to (C)of (D)as The naughty kids disturbed a nest of bees do it again. (A) of (B) by (C)for (D)with no reason and got stung. They promised to never You can come join us on our trip to the mountains. One person doesn't make any difference our arrangements. (A)on (B)for (C)about (D)to

想請教這兩題： 我做第二題時(圖一)發現 無法直接將頂點作推移矩陣，得出的點並非新頂點， 只能用變數變換求新頂點 但第三題(圖二圖三) 詳解直接將焦點做鏡射矩陣了， 因此我想問的是， 有哪些特殊矩陣(即旋轉,鏡射,伸縮,推移) 是可以將特別意義的點(像頂點,反曲點,焦點)直... 繼續閱讀

No. #4x+3y=50 2.拋物線:(x-2)=4(y+3)上的點,經推移A=| [18] 變換後的圖形為拋物線 2 '的準線方程式為 ,試求的焦點坐標為 點是由上的4點推移而成,試求4點坐標為 。 ,的頂 Date 2-072 Hi 1717-7 xzX -- 1 y=2x+y.② y=y-2x (x-2)² = 4 (Y-2x+3) x²-4x+4 = 44 -8x+12 X+4X+4 = 41Y+12 (X+2)=4(y+3) →新貢奌(-2,3) 扌 肯変

這兩題求解🙇🏻

1x + bxt ABC + △ABC中,∠C=90°,若2cos+3cosB=3,求tand= [ 2 9.若ABC中,∠C=90',AB=5,且sinA-COSA =! 則△ABC面積為【

請問為什麼第九題要用marveled?

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