1
C
KI M TRA TH
thi g 5 trang)
KI M TRA H - C 2016- 2017
10
C 2
A x R x x: 0 B x R x x: 0 C x R x x: 0 D x R x x: 0
Chi a m c l 1745, 25m 0,01m Vi t s a s g
1745,25
Cho t p h p A = x Z/ x 4 li t t c n t c a t p h p A
Cho t p h p X= 1; 2;3; 4;5 t p h p Y 2; 4;6;8 Kh
T p h p D = ( ; 2] ( 6; )
A (-6; 2] B 5; 3; 2; 1; 0;1; 2 C ( ; ) D [-6; 2]
A A\B = [-1;1] B A\B = (4;6) C A\B = (-1;1) D A\B = [1;4)
t p con g m 3 ph n t a e, f c a t p h p M = a b c d e f g h i j, , , , , , , , , ?
2
2x 1
Trang 22
2
2
2
2
nh t nh c a parabol y = 3x2 2x 1
3 3
3 3
I C ( 1 4; )
3 3
I D ( 1; 4)
I
3
1
a
A
5
a
3
a
5
a b
th
2
ng th ng y = 2x + 3 song song v ng th ng th ng sau?
A y = 2x +2 B y = -2x + 5 C y = 2x + 3 D y = -3x + 2
A y = 2x2 +x+1 B y = x4 + x2+1 C y = 2x 3 D y = 3x
18 c i x ng c a Parabol (P): 2
3 4
3
2
2
2
y D 3
2
y
0 3 -3
Trang 33
x = 3?
3 1
6
6 2
2 2
A 3
B 1
8
4 1 0
?
A 19
2
x
D 2; 2
5
S
13 7 0
1 2
x x
A 182 B 184 C 183 D 185
A m=0 ho c m=1 A m=1 ho c m= -1 C m = 0 D m = 1
2x y 7 0
Trang 44
x y z 1 2x y 3z 4
x 5y z 9
?
A.
2
x y 3 B x 2y 3z 5
2
5x 4z 3
A x y 1
2x 2y 6 C 4x 3y 1
x y 3
A x y 2
x 2y 0 B 2x y 1
y 7
gi m 11cm2
A
B
C
D
Trang 55
ABC
A G(3;-2) B G(3;2) C (-3;2)
Trong m t ph ng t Oxy, cho ba m A (2; 1) , B (-1; 2), C(3; 0) c a
A D(3;0) B D (-3;0) C D(0;-3)
sin150
cos150
2
tan150
3
0 cot150 3
A.cos450 sin 450 B cos450 sin1350 C cos300 sin1200 cos1200 sin 600
A 0
45 C - 0
60 Trong m t ph ng v i h tr c t Oxy, c m A(2;4), B(1;2), C(6;2) K t l
H T _