PHoNG GD&DT vixu yrx
on cninu rntlc
I. rnAc NGHIEM 1s,o aioml
Glti vdo bdi ldm chi mQt chie cdi A, B, C ttofic D trwdc phuo'ng tin trd ldi itilng.
cf,u 1. Trong citc cdch vi5t sau d6.y, crich ndo khdng cho ta pr,an r6"t
^ -0,5
2c.0
60
CfrtuZ.Ktlt qui phdp tinh 1-+.1-1 uir*'
' 3 4 5 6----o.
- A.17 B. 13 c. 23
60 60 60
CAu 3. * ,U tfch crja hai phdn sd:
38
A=l B 1.' c:l-1-
19 2 _2 t9 2',_19
ciu 4. cho s6 A = 3n -t (n ld mQt s6 nguycn). s6 nghich d6o cria s6
EE KrEM rRA {g"c xi Il ryAM HQC 2017-2018
MON: TOAN 6
Thdi gian ldm bdi 90 phur, khong ke rtcdi gion giao di
^ 1-3n
I
B. -8
t6
_1
8.,
3n-l
IC
D. -i.:-
-2 19
A |ifl
I
D.
1 -3n
-1
1-3n
c. 500
D. I
-8
,7
D. 60
Ciu 5. cho hai g6c bu nhau @ vit @z uiet @ = 550 khi do s6 oo G, ta:
A. 350 B. 550 C. 125" D. l55u
CAu 6. Cho hai goc k€ bn@ vit @2, Uitlt @=1400,tia or la tia phAn giac cua @,
Khi d6 sO do 6, n
A.200 B. 400
rr. TlI r,uA{ (7,0 tri6m)
Cflu 7 (1,5 ili6m). Thpc hiQn phdp tinh:
.8 1,4 9 lt 8
a,_._+
-'ll 23'23'g it'
Ciu 8 (1,5 cli6rn). Tim x, bi6t:
a)x+30%o.x=-1,3; b) i.ri-r) * =11, c)(r+*,,* ,*=,
Cf,u 9 (15 tli6m). M6t manh vuon hinh chfi nhqr m chi0u r0. ng lit 30nt
a) Tfnh diQn tfch minh vudn;
b) Ngucri tal6y mQt phAn O6t AC tr6ng hoa, bi6t ?
b)1,8. -20 *( ,rn-a),rl
27 \ 16/ )
D. 700
di6n tich tr6ng hoa ld 100m)
Tinh di6n tfch tr6ng hoa;
c) Di6n tich phAn con lai nguoi ta tr6ng cAy 6n qui. Tinh ti s6 diOn tich tr6ng cAy an
qud v6i di€n tich cd mdnh vudn.
c6u 10 (2,0 eli6m). Cho hai g6c ko bn @ ui, frr, aiet ?i, =600 . vo tia ortd tia phan
---..---
grac cua xOz .
a) Tinh sO ao idr;
b) Chring t6 Ox ld tia ph6n gi6c crta fit .
Ciu11 (0,5eli6m).Chobitiuthri'c o=*!t= vcrix eZ,x+-2.Tirn x ae rl aqtgiatri lonnhAt.
x+2
H€r-------
Gido viAn coi kietn tra kltittg giui rltic,lt yi rltOttt.