1、 2016-2017 90 ; 120 10 3 30 1. M N A M 2 3 N 4 6 B M 2 3 N 4 6 C M 2 3 N 4 6 D M 2 3 N 4 6 2 y=x b y=x 1 3 b A 2 4 B 2 4 C 4 6 D 4 6 3. y=ax+b A 0 2 B 3 0 ax+b=0 A x=2 B x=0 C x= 1 D x= 3 4. x 2 6x 5=0 A x 3 2 =14 B x 3 2 =4 C x+3 2 =14 D x+3 2 =4 5 x kx 2 +3x-1=0 k A. B. - C. - D. k - 6 3 6 x 2 -6x
2、+8=0 A. 9 B.11 C. 13 D. 14 7. x 45 A x x 1 =45 B x x+1 =45 C x x 1 =45 D x x+1 =45 8 y=2x 2 2 x+1 A 0 B 1 C 2 D 3 9. BC=8 AB=6cm P A AB B 1cm/s Q B BC C 2cm/s P Q A B A 18cm 2 B 12cm 2 C 9cm 2 D 3cm 210 y1 ax 2 bx c(a A(1 3) x B(4 0) y2 mx n(m A B 2a b 0 abc0 ax 2 bx c 3 x ( 1 0) 1x4 y2y1 A 5 B 4 C
3、3 D 2 8 11-14 3 15-18 4 28 11. y= m 1 x |m| 12 x a-1 x 2 -2x+3=0 a 13 100 14 y= x 1 2 3 15. BC=5 A B 1 0 4 0 x C y=2x 6 BC cm 2 16 A 0 3 B 2 3 y= x 2 +bx+c 17. y= a 1 x 2 4x+2a x a 18. l y=x 1 x A1 A1B1C1O A2B2C2C1 AnBnCnCn 1 A1 A2 A3 l C1 C2 C3 y Bn 7 62 19 1 3 3x x-2 =4-2x (2) 4 ) 2 2 1 3 xx 20 7
4、1 1 0 0 21. 8 . A 2 0 l1 l2 y B C B C AB= 1 B 2 4 l2 22 8 y=x 2 4x+3 1 C 2 x A B 23. 10 2014 2014 6000 2016 8640 1 2 2017 24. 10 y= x+2 2 +m y C B C y=kx+b A 1 0 B 1 2 x+2 2 x 25. 12 ABC C ( 1 0) B y 1 2 x 2 1 2 x 2 B BD x D B 3 1 BDC COA 2 BC 3 P ACP AC P 2016-2017 10 3 30 1-5 A A D A C 6-10 C A C
5、C C 8 11-14 3 15-18 4 28 11 12 0 13 9 14 x=1 15 16 16 1 4 17 1 2 1 18 2 n 1 2 n 1 7 62 19 1 x1 2 x2 2 3 -3 2 -4 20 y (x 1) 2 1-7 21 1 A 2 0 AB= = =3 B 0 3 -3 2 4 BC=4 3=1 0 1 l2 y=kx+b 2 y= x 1-8 22 1 y (x 2) 2 1 C 2, 1 -4 2 A 1 0 B 3 0 S=1-8 23 1 x 6000 1+x 2 =8640 x=0.2=20% 20% -6 2 2016 8640 20% 2017 1+0.2 =10368 2017 10368 -10 24. 1 y= x+2 2 +m A 1 0 1 y= x+2 2 1=x 2 +4x+3 C 0 3 x= 2 B C B 4 3 A B y= x 1 -7 2 x+2 2 x x 4 x 1 -10 25 1 -3 2 y= 1 2 x 1 2 -7 3 P1 ( 1 2 , 1 4 ) P2( 1 2 , 9 4 )-12
