求解謝謝

一 (9) 。 (57) 若x的方程式 √(x+2)²+v (x+k)²=6沒有實數解,則實數k 的範圍為 道】 X=-2 X = = k 1X+21+1x+k1=6 817-21 12k1 1k-21=6 K-2:6K-2= - 6 k 1 = 8k -- 4

請問用折現函數的圖形怎麼解後三個選項

-1,5 4,5 -1,-5 162. 下列哪些選項中的方程式,其解必為正數? (A) |x-1|+|x+2|=2 (B)|x-1|+|x+2|=3 (E) |x-1|-|x+2=3 (D) |x-1|-|x+2|=-2 D.E 1,3 1x-11-1x+21 ≤1x-1-x-21. 3 x+21 X=-2 (C) |x-1|-|x+2|=0 -2,3 d 【108南女】 X=1

求解謝謝

12.29 12. 已知a、b為實數,且不等式3≤1ax+51<b解為-1<x≤1或4≤x<6,則數對 (a,b)= 皆不為 【配合例題5】

求解謝謝

-18-95-8 -18 <-9-75-15 938 -5.-1.0 b= 2 9-7 > 0 < J 01) XB≥2 X+35-2 難 129. 已知恰有3個整數x滿足不等式(13x+7|<a , X2-1 [1x+3122 則實數a的範圍為 ≤-S -9<3x+7-9 中美 3

求解 謝謝

S 3 難 131.已知a,6為實數,不等式a≤|x+5|+|x-b]<14的解為-8<x≤-6或4≤x<6, x=-8.61x+51+1x-b1=14 則數對(a,b)= X 3+11=14D=3 【108南 x=4.-61x+51+1x-31= a 0=10

想請問這兩題，謝謝🙇‍♀️

1 With thirty-five active volcanoes, Iceland is known as a land of seismic activity. In April 2 bringing chaos to transportation systems across a minor volcanic eruption on the island Europe. The eruption, 3 the Eyjafjallajökull glacier in southwestern Iceland, released clouds of ash that drifted across several countries in northern and Western Europe. For several days, nearly all flight in the region were with hundreds of thousands of passengers unable to start their 4 journeys or _5_stranded abroad. Pec (A) that was (B) there was (C) what was (D) it was QA (A) ended up (B) got involved in (C) gave rise to (D) arose out of

求解 謝謝

難 68. 已知n為正整數,且 10n+4<197< 10n+14 , 則n= n+1 n+2 【中一中201】

求詳解🙏🏼

10. 如右圖,直線 AB、直線 BC、直線 AC 的斜率分別為1,2,3,則其大小順序為 O micm3 cm24 D4:3x-2y=0,4:2x+3y=6,4:x+3y=1,4:2x-3y=1,何者正確? (A)AIL B)LINE (C)LLE ⓊGLE ENG

這題不會！！！上面算式是我隨便湊的😂不知道對不對

Q==3 ;. f(x) = -3x+4# 類題如右圖,已知函數f(x)=ax+b的圖形通過圖中的兩個相異格子點(x坐標與 y坐標皆是整數),試求所有這樣的函數中,a的值最小為 名梁 年 S(X) = a + 4 = 1 a= -34..

請問此題

16.在△ABC中,已知A(4,-5),若∠B、∠C之角平分線分別為 L:x+y=3, (-1/4-2012) L:x-3y=-11,試求直線 BC 的斜率為 (16-1) (16-2 (16-3 41 (化為最簡分數) BENGT = (DE?