6 xq erk
R= 6
(D)6
'5
4
(Dies Cable-6) 15
2 564 +36-44 = 114-14
.
A ->
2
-3x²4
16.() 4ABC” • Ex ZC = 105° • ZB = 30° • AC = 6 JAMBU
simbol
17.04)設(-3.6)、816-6),則與 4 同方向的單位向量為何? (A)(3) (B)(3) (COG)
)
643)(-6) (91) 岩)
中中3
18. (設画x+y+8x-6y-1=0之圓心為(a,b),半徑為c,則a+b+c= (A)13 (B)9 (C)5 (D)1
19.( )在坐標平面上,若直線L通過兩點4(2.0),B(a,5),且直線的斜率為2,则a=? (A)2 (B)1 (C)2.
(D)3
yout
Hi (w}
44-3
20(D)若不等式 -3. + 25 的解為x2 a, <b,則20 + 36 =? (A)2 (B)-1 (C)1 (D)0
A2 B1 (533
21.CADEA,B,C BFHEER 4(-1,2), B(3,-1), C(2,6) BU|AB + BC+C = ? (A)5(2+2) (B)10(15+1)
(C)5(V2 + V3) (D)10(+3+2)
22.( )+2x–5x2 – 3x + 4 = a(x + 2) +b(x+2)+c(x+2)+d fc=> SV (A541 B)34 -11 D)-26
() 0.9 (34)
)若=(x++ b+2) c+
(A)(B(C)(D
)
23.(C)設(x)=(x-2x' + ke? 5)的各項係數和為-8,則k =? (A)-4 (B)4 (C)-2 (D)2
1-2-5tk = -8
Gik &
-3x+123
-3X66
2018(
总
3
則。
?
1/2
2
