Сертифікаційна робота з математики 2021 року (основна сесія)1. ǿdzǾȀǶȂǥǸǮȄǥǷǻǮǾǼǯǼȀǮ
ǵǺǮȀdzǺǮȀǶǸǶ
ǥțȟȠȞȡȘȤȳȭȧȜȒȜȞȜȏȜȠȖȐȕȜȦȖȠȳ
1. ǽȞȎȐȖșȎȐȖȘȜțȎțțȭȕȎȐȒȎțȪȕȎȕțȎȥȓțȜȝȓȞȓȒȘȜȔțȜȬțȜȐȜȬȢȜȞȚȜȬȕȎȐȒȎțȪ
2. ǾȖȟȡțȘȖ ȒȜ ȕȎȐȒȎțȪ ȐȖȘȜțȎțȜ ȟȣȓȚȎȠȖȥțȜ ȏȓȕ ȟȠȞȜȑȜȑȜ ȒȜȠȞȖȚȎțțȭ
ȝȞȜȝȜȞȤȳȗ
3. ǰȳȒȝȜȐȳȒȎȗȠȓ șȖȦȓ ȝȳȟșȭ ȠȜȑȜ ȭȘ ǰȖ ȡȐȎȔțȜ ȝȞȜȥȖȠȎșȖ ȗ ȕȞȜȕȡȚȳșȖ
ȕȎȐȒȎțțȭǰȖȘȜȞȖȟȠȜȐȡȗȠȓȭȘȥȓȞțȓȠȘȡȐȳșȪțȳȐȳȒȠȓȘȟȠȡȚȳȟȤȭȐȕȜȦȖȠȳ
4. ǻȎȚȎȑȎȗȠȓȟȭȐȖȘȜțȎȠȖȐȟȳȕȎȐȒȎțțȭ
5. ǰȖ ȚȜȔȓȠȓ ȟȘȜȞȖȟȠȎȠȖȟȭ ȒȜȐȳȒȘȜȐȖȚȖ ȚȎȠȓȞȳȎșȎȚȖ țȎȐȓȒȓțȖȚȖ țȎ
ȟȠȜȞȳțȘȎȣDzșȭȕȞȡȥțȜȟȠȳǰȖȚȜȔȓȠȓȴȣȐȳȒȜȘȞȓȚȖȠȖȐȳȒȳȞȐȎȐȦȖ
ǥțȟȠȞȡȘȤȳȭȧȜȒȜȕȎȝȜȐțȓțțȭȏșȎțȘȳȐȐȳȒȝȜȐȳȒȓȗǮǯȠȎǰ
1. ȁȏșȎțȘǮȕȎȝȖȟȡȗȠȓȥȳȠȘȜȕȑȳȒțȜȕȐȖȚȜȑȎȚȖȳțȟȠȞȡȘȤȳȴȒȜȘȜȔțȜȴȢȜȞȚȖ
ȕȎȐȒȎțȪșȖȦȓȝȞȎȐȖșȪțȳțȎǰȎȦȡȒȡȚȘȡȐȳȒȝȜȐȳȒȳ
2. ǻȓȝȞȎȐȖșȪțȜȝȜȕțȎȥȓțȳȝȳȒȥȖȧȓțȳȐȳȒȝȜȐȳȒȳȐȏșȎțȘȡǮȏȡȒȓȕȎȞȎȣȜ
ȐȎțȜȭȘȝȜȚȖșȘȜȐȳ
ȍȘȧȜ ǰȖ ȝȜȕțȎȥȖșȖ ȐȳȒȝȜȐȳȒȪ ȒȜ ȭȘȜȑȜȟȪ ȳȕ ȕȎȐȒȎțȪ ² ȡ ȏșȎțȘȡ Ǯ
țȓȝȞȎȐȖșȪțȜȠȜȚȜȔȓȠȓȐȖȝȞȎȐȖȠȖȴȴȕȎȚȎșȬȐȎȐȦȖȝȜȝȓȞȓȒțȬȝȜȕțȎȥȘȡ
ȗȝȜȟȠȎȐȖȐȦȖțȜȐȡȭȘȝȜȘȎȕȎțȜțȎȕȞȎȕȘȎȣ
4. ȍȘȧȜ ǰȖ ȕȎȝȖȟȎșȖ ȐȳȒȝȜȐȳȒȪ ȒȜ ȭȘȜȑȜȟȪ ȳȕ ȕȎȐȒȎțȪ ² țȓȝȞȎȐȖșȪțȜ
ȠȜȚȜȔȓȠȓȐȖȝȞȎȐȖȠȖȴȴȕȎȝȖȟȎȐȦȖțȜȐȖȗȐȎȞȳȎțȠȐȳȒȝȜȐȳȒȳȐȟȝȓȤȳȎșȪțȜ
ȐȳȒȐȓȒȓțȖȣȚȳȟȤȭȣȏșȎțȘȎǮ
5. ǰȖȘȜțȎȐȦȖ ȕȎȐȒȎțțȭ ȳ ² Ȑ ȕȜȦȖȠȳ ȎȘȡȞȎȠțȜ ȕȎȝȖȦȳȠȪ
ȴȣțȳȞȜȕȐ·ȭȕȎțțȭȐȏșȎțȘȎȣǯȠȎǰ
6. ǰȎȦ ȞȓȕȡșȪȠȎȠ ȕȎșȓȔȎȠȖȚȓ ȐȳȒ ȕȎȑȎșȪțȜȴ ȘȳșȪȘȜȟȠȳ ȝȞȎȐȖșȪțȖȣ
ȐȳȒȝȜȐȳȒȓȗ ȕȎȝȖȟȎțȖȣ ȡ ȏșȎțȘȡ Ǯ ȳ ȝȞȎȐȖșȪțȜȑȜ ȞȜȕȐ·ȭȕȎțțȭ ȕȎȐȒȎțȪ
²ȐȏșȎțȘȎȣǯȠȎǰ
ǼȕțȎȗȜȚȖȐȦȖȟȪ ȳȕ ȳțȟȠȞȡȘȤȳȭȚȖ ȝȓȞȓȐȳȞȠȓ ȭȘȳȟȠȪ ȒȞȡȘȡ ȕȜȦȖȠȎ ȗ ȘȳșȪȘȳȟȠȪ
ȟȠȜȞȳțȜȘǦȣȚȎȱȏȡȠȖ
ǽȜȕțȎȥȠȓțȜȚȓȞǰȎȦȜȑȜȕȜȦȖȠȎȡȐȳȒȝȜȐȳȒțȜȚȡȚȳȟȤȳȏșȎțȘȎǮȠȎȘ
ǵȖȥȖȚȜǰȎȚȡȟȝȳȣȡ
ǾȜȏȜȠȎȟȘșȎȒȎȱȠȪȟȭȕȕȎȐȒȎțȪȞȳȕțȖȣȢȜȞȚǰȳȒȝȜȐȳȒȳȒȜȕȎȐȒȎțȪ²ǰȖȚȎȱȠȓ
ȝȜȕțȎȥȖȠȖ Ȑ ȏșȎțȘȡ Ǯ ǾȜȕȐ·ȭȕȎțțȭ ȕȎȐȒȎțȪ ² ǰȖ ȚȎȱȠȓ ȕȎȝȖȟȎȠȖ
ȐȏșȎțȘȎȣǯȠȎǰ.
ǾȓȕȡșȪȠȎȠȐȖȘȜțȎțțȭȐȟȳȣȕȎȐȒȎțȪȏȡȒȓȐȖȘȜȞȖȟȠȎțȜȝȳȒȥȎȟȝȞȖȗȜȚȡȒȜ
ȕȎȘșȎȒȳȐȐȖȧȜȴȜȟȐȳȠȖ
ǾȓȕȡșȪȠȎȠȐȖȘȜțȎțțȭȕȎȐȒȎțȪ1–26, 30ȳ31ȏȡȒȓȕȎȞȎȣȜȐȎțȜȭȘȞȓȕȡșȪȠȎȠ
ȒȓȞȔȎȐțȜȴȝȳȒȟȡȚȘȜȐȜȴȎȠȓȟȠȎȤȳȴȒșȭȐȖȝȡȟȘțȖȘȳȐȭȘȳȐȖȐȥȎșȖȚȎȠȓȚȎ
ȠȖȘȡțȎȞȳȐțȳȟȠȎțȒȎȞȠȡ
ǾȓȕȡșȪȠȎȠȐȖȘȜțȎțțȭȐȟȳȣȕȎȐȒȎțȪȏȡȒȓȕȎȞȎȣȜȐȎțȜȭȘȞȓȕȡșȪȠȎȠȒȓȞȔȎȐ
țȜȴȝȳȒȟȡȚȘȜȐȜȴȎȠȓȟȠȎȤȳȴȒșȭȐȖȝȡȟȘțȖȘȳȐȭȘȳȐȖȐȥȎșȖȚȎȠȓȚȎȠȖȘȡțȎ
ȝȞȜȢȳșȪțȜȚȡȞȳȐțȳ
1
ǵȜȦȖȠ
‹ȁȘȞȎȴțȟȪȘȖȗȤȓțȠȞȜȤȳțȬȐȎțțȭȭȘȜȟȠȳȜȟȐȳȠȖ
ȅȎȟȐȖȘȜțȎțțȭ²ȣȐȖșȖț
2. 2
ȀȎȏșȖȤȭȘȐȎȒȞȎȠȳȐȐȳȒȒȜ
ǮǹDZdzǯǾǮǥǽǼȅǮȀǸǶǮǻǮǹǥǵȁ
DzǼǰǥDzǸǼǰǥǺǮȀdzǾǥǮǹǶ
ǼȒȖțȖȤȳ
DzȓȟȭȠȘȖ
0
100
1
400
2
3
1600
4
1
121
441
1681
2
144
484
1024
1764
3
4
576
1156
5
225
625
1225
2025
6
256
676
2116
7
8
324 361
784 841
1444 1521
2304 2401
ȂȜȞȚȡșȖȟȘȜȞȜȥȓțȜȑȜȚțȜȔȓțțȭ ǸȐȎȒȞȎȠțȓȞȳȐțȭțțȭ
ǺȜȒȡșȪȥȖȟșȎ
ǿȠȓȝȓțȳ ǹȜȑȎȞȖȢȚȖ
ǮȞȖȢȚȓȠȖȥțȎȝȞȜȑȞȓȟȳȭ
ȀȓȜȞȳȭȗȚȜȐȳȞțȜȟȠȓȗ ǸȜȚȏȳțȎȠȜȞȖȘȎ
DZȓȜȚȓȠȞȖȥțȎȝȞȜȑȞȓȟȳȭ
a2
– b2
= (a – b)(a + b)
(a + b)2
= a2
+ 2ab + b2
(a – b)2
= a2
– 2ab + b2
ax2
+ bx + c = 0, a z 0
D = b2
– 4ac²ȒȖȟȘȞȖȚȳțȎțȠ
x1 =
–b – D
—
2a
, x2 =
–b + D
—
2a
ȭȘȧȜD ! 0
x1 = x2 =
–b
—
2Ȏ ȭȘȧȜD = 0
ax2
+ bx + c = a(x – x1)(x – x2)
a1
= Ȏ, Ȏn
= a ˜ a ˜ a
nȞȎȕȳȐ
Ȓșȭa R, n N, n 2
a0
ȒȓȎ z 0 a2
= ~Ȏ~
a–n
=
1
—
Ȏn ȒșȭȎ z 0, n N
a
m
—
n
= am
n
, Ȏ ! 0, m Z, n N, n 2
ax
˜ ay
= ax + y
Ȏx
—
Ȏy = ax – y
(ax
)y
= ax ˜ y
(ab)x
= ax
˜ bx
(a
–
b)
x
=
Ȏx
—
bx
a ! 0, Ȏ z 1, b ! 0, c ! 0, k z 0
alogab
= b logȎȎ = 1 logȎ1 = 0
logȎ(b ˜ c) = logȎb + logȎc
logȎ
b
–
c = logȎb – logȎc
logȎbn
= n ˜logȎb
logȎk b = 1
–
k
˜logȎb
an = a1 + d(n – 1) Sn =
a1 + Ȏn
—
2
˜ n
Pn = 1 ˜ 2 ˜ 3 ˜˜ n = n! Ck
n =
n!
—
k! ˜ (n – k)!
Ak
n =
n!
—
(n – k)!
P(A) = k
–
n
bn = b1 ˜ qn – 1
Sn =
b1(qn
– 1)
—
q – 1
, (q z 1)
~a~ =
aȭȘȧȜȎ 0,
–aȭȘȧȜȎ 0
3. ǵȎȐȒȎțțȭ²ȳ²ȚȎȬȠȪȐȳȒȝȜȐȳȒțȜȝȜȥȜȠȖȞȖȠȎȝ·ȭȠȪȐȎȞȳȎțȠȳȐȐȳȒȝȜȐȳȒȳ
ȕ ȭȘȖȣ șȖȦȓ ȜȒȖț ȝȞȎȐȖșȪțȖȗ ǰȖȏȓȞȳȠȪ ȝȞȎȐȖșȪțȖȗ țȎ ǰȎȦȡ ȒȡȚȘȡ
ȐȎȞȳȎțȠȐȳȒȝȜȐȳȒȳȝȜȕțȎȥȠȓȗȜȑȜȐȏșȎțȘȡǮȕȑȳȒțȜȕȳțȟȠȞȡȘȤȳȱȬǻȓȞȜȏȳȠȪ
ȳțȦȖȣȝȜȕțȎȥȜȘȡȏșȎțȘȡǮȠȜȚȡȧȜȘȜȚȝ·ȬȠȓȞțȎȝȞȜȑȞȎȚȎȞȓȱȟȠȞȡȐȎȠȖȚȓ
ȴȣȭȘȝȜȚȖșȘȖ
ǯȡȒȪȠȓȜȟȜȏșȖȐȜȡȐȎȔțȳȝȳȒȥȎȟȕȎȝȜȐțȓțțȭȏșȎțȘȎǮ
ǻȓȝȜȑȳȞȦȡȗȠȓȐșȎȟțȜȞȡȥțȜȟȐȜȑȜȞȓȕȡșȪȠȎȠȡțȓȝȞȎȐȖșȪțȜȬȢȜȞȚȜȬȕȎȝȖȟȡȐȳȒȝȜȐȳȒȓȗ
1.
ǵȎ ȜȒțȎȘȜȐȖȣ ȘȜțȐȓȞȠȳȐ ȕȎȝșȎȠȖșȖ ȑȞț ǿȘȳșȪȘȖ ȐȟȪȜȑȜ ȠȎȘȖȣ ȘȜțȐȓȞȠȳȐ
ȚȜȔțȎȘȡȝȖȠȖȕȎȑȞț
Ǯ ǯ ǰ DZ
6 24 30 36
2.
ǻȎ ȑȞȎȢȳȘȡ ȐȳȒȜȏȞȎȔȓțȜ ȕȚȳțȡ ȞȜȏȜȥȜȴ ȠȓȚȝȓȞȎȠȡȞȖ ȒȐȖȑȡțȎ șȓȑȘȜȐȜȑȜ ȎȐȠȜ
ȚȜȏȳșȭ ȝȞȜȠȭȑȜȚ ȣȐȖșȖț ȕ ȚȜȚȓțȠȡ ȗȜȑȜ ȕȎȝȡȟȘȡ ǰȖȕțȎȥȠȓ ȕȎ ȑȞȎȢȳȘȜȚ
ȘȳșȪȘȳȟȠȪȣȐȖșȖțȝȞȜȠȭȑȜȚȭȘȖȣȞȜȏȜȥȎȠȓȚȝȓȞȎȠȡȞȎȒȐȖȑȡțȎȏȡșȎțȓ ȏȳșȪȦȜȬ
ȕȎo
ǿ
Ǯ ǯ ǰ DZ
7 4 3 2
ȅȎȟȣȐȖșȖțȖ
ȀȓȚȝȓȞȎȠȡȞȎ
Ȝ
ǿ
0
1 2 3 4 5 6 7 8 9 10
10
20
30
40
50
60
70
80
90
100
3
4. 3.
ǽșȎȟȠȖȘȜȐȳ ȘȡșȪȘȖ ȞȎȒȳȡȟȎ ȟȚ ȕȏȓȞȳȑȎȬȠȪ
ȡ ȐȖȟȡȐțȳȗ ȦȡȣșȭȒȤȳ ȧȜ ȚȎȱ ȢȜȞȚȡ ȝȞȭȚȜ
ȘȡȠțȜȑȜ ȝȎȞȎșȓșȓȝȳȝȓȒȎ ȒȖȐ ȞȖȟȡțȜȘ 5. ȍȘȜȬ ȕ țȎȐȓȒȓțȖȣ ȚȜȔȓ ȏȡȠȖ ȐȖȟȜȠȎ h Ȥȳȱȴ
ȦȡȣșȭȒȘȖ
Ǯ ǯ ǰ DZ
ȟȚ ȟȚ ȟȚ ȟȚ
4. ȁȘȎȔȳȠȪȘȜȞȳțȪȞȳȐțȭțțȭ²x
5 4
Ǯ ǯ ǰ DZ
1
– –
5
1
–
5
5.
ǿȡȚȎȠȞȪȜȣȘȡȠȳȐȝȎȞȎșȓșȜȑȞȎȚȎȒȜȞȳȐțȬȱȜ
ǰȖȕțȎȥȠȓȑȞȎȒȡȟțȡȚȳȞȡȏȳșȪ
ȦȜȑȜȘȡȠȎȤȪȜȑȜȝȎȞȎșȓșȜȑȞȎȚȎ
Ǯ ǯ ǰ DZ Dz
100o
80o
140o
40o
120o
4
h
6. 6. ǿȝȞȜȟȠȳȠȪȐȖȞȎȕ
3m – 2n
—
8
–
3m
—
8
n
– –
4
n
– –
8
n
– –
6
m
– –
4
3m – n
—
4
Ǯ ǯ ǰ DZ Dz
7. ȁȘȎȔȳȠȪȕȝȜȚȳȔțȎȐȓȒȓțȖȣȓȟȘȳȕȑȞȎȢȳȘȎȢȡțȘȤȳȴy = –2x
Ǯ ǯ ǰ DZ Dz
y
x
0
y
x
0
y
x
0
y
x
0
y
x
0
8.
Dzșȭ ȚȳȟȤȓȐȜȟȠȳ ȧȜ șȓȔȖȠȪ țȎ ȞȳȐțȳ ȚȜȞȭ țȜȞȚȎșȪțȖȗ ȎȠȚȜȟȢȓȞțȖȗ ȠȖȟȘ
ȟȠȎțȜȐȖȠȪȚȚȞȠȟȠǥȕȝȳȒțȭȠȠȭȚțȎȘȜȔțȳȚȓȠȞȳȐȡȑȜȞȡȎȠȚȜȟȢȓȞțȖȗ
ȠȖȟȘ ȕțȖȔȡȱȠȪȟȭ țȎ ȚȚ ȞȠ ȟȠ ȁȘȎȔȳȠȪ ȕȝȜȚȳȔ țȎȐȓȒȓțȖȣ ȢȜȞȚȡșȡ ȕȎ
ȭȘȜȬ ȐȖȕțȎȥȎȬȠȪ ȎȠȚȜȟȢȓȞțȖȗ ȠȖȟȘ Ȟ ȡ ȚȚ ȞȠ ȟȠ 7. țȎ ȐȖȟȜȠȳ h ȚȓȠȞȳȐ țȎȒ
ȞȳȐțȓȚȚȜȞȭ
Ǯ ǯ ǰ DZ Dz
10h
—
100
p = 760 –
100h
—
10
p = 760 – 100h
—
10
p = 760 +
Ã
—
10h
p = 10h
—
100
p = 760 +
5
16. ǹȳțȳȭ CD
ȓșȓȘȠȞȖȥțȜȑȜ ȒȞȜȠȡ ȝȎȞȎșȓșȪțȎ Ǯǰ ȗ ȒȎȣȡ MN ȠȞȜșȓȗȏȡȟȎ ȆȠȎțȑȎ KN,
ȧȜțȎȞȖȟȡțȘȡȱȐȳȒȞȳȕȘȜȚȡȠȐȜȞȬȱȕǺNȘȡȠƒǰȳȒȟȠȎțȳȚȳȔȝȞȭȚȖȚȖCD
ȗ Ǯǰ, ǺN ȗ Ǯǰ ȒȜȞȳȐțȬȬȠȪ Ț ȳ Ț ȐȳȒȝȜȐȳȒțȜ ȁȘȎȔȳȠȪ ȝȞȜȚȳȔȜȘ ȭȘȜȚȡ
țȎșȓȔȖȠȪ ȒȜȐȔȖțȎ ȡ Ț 17. ȦȠȎțȑȖ KN ȁȐȎȔȎȗȠȓ ȧȜ Ȑȟȳ ȕȎȕțȎȥȓțȳ ȝȞȭȚȳ
șȓȔȎȠȪȐȜȒțȳȗȝșȜȧȖțȳ
B
A
30Ȝ
Ț
N
M
K D
ǿ
Ț
Ǯ ǯ ǰ DZ Dz
[1; 3) [6; 8)
[5,5; 6)
[5; 5,5)
[3; 5)
8
22. DZȞȎȢȳȘ ȢȡțȘȤȳȴ
y
y = f(x)
x
–4
1
1 4
0
y
y = f(x)
x
–4
1
1 4
0
y
y = f(x)
x
–4
1
1 4
0
1 2 3
1
2
3
ǮǯǰDZDz
Ǯ ȢȡțȘȤȳȭȱțȓȝȎȞțȜȬ
ǯ țȎȗȚȓțȦȓȕțȎȥȓțțȭȢȡțȘȤȳȴțȎȝȞȜȚȳȔȘȡ@
ȒȜȞȳȐțȬȱ
ǰ ȢȡțȘȤȳȭȱȝȎȞțȜȬ
DZ ȑȞȎȢȳȘȢȡțȘȤȳȴțȓȚȎȱȟȝȳșȪțȖȣȠȜȥȜȘȳȕȑȞȎȢȳȘȜȚ
ȞȳȐțȭțțȭx – 3)2
+ (y – 4)2
= 4
Dz ȑȞȎȢȳȘȢȡțȘȤȳȴȠȞȖȥȳȝȓȞȓȠȖțȎȱȝȞȭȚȡy = 1
ǰșȎȟȠȖȐȳȟȠȪ ȢȡțȘȤȳȴ
28. ǽșȜȧȎ ȘȜȔțȜȴ ȳȕ ȤȖȣ
ȢȳȑȡȞȒȜȞȳȐțȬȱȟȚ2
, ǮǺ ȟȚ
ȁȟȠȎțȜȐȳȠȪ ȐȳȒȝȜȐȳȒțȳȟȠȪ ȚȳȔ ȐȳȒȞȳȕȘȜȚ ² 31. 20.
ǻȎ ȞȖȟȡțȘȡ ȕȜȏȞȎȔȓțȜ ȝȞȭȚȜȘȡȠțȖȗ ȝȎȞȎ
șȓșȓȝȳȝȓȒ ABCDA1B1C1D1 ȡ ȭȘȜȚȡ AB = 3,
AD = 4, AA1 ȁȐȳȒȝȜȐȳȒțȳȠȪȝȜȥȎȠȜȘȞȓȥȓț
țȭ² 36. ȒȜȞȳȐțȬȱ
Ǯ
ǯ
ǰ
DZ
Dz
ǽȜȥȎȠȜȘ Ȟȓȥȓțțȭ ǵȎȘȳțȥȓțțȭ Ȟȓȥȓțțȭ
11
A1
B1 C1
D1
A D
C
B
38. țȎ ȝȜȠȭȑ ȧȜ ȘȜȦȠȡȱ ȑȞț ȁ ȗȜȑȜ ȐȎȞȠȳȟȠȪ ȐȣȜȒȭȠȪ ȐȎȞȠȜȟȠȳ ȘȐȖȠȘȎ ²
ȑȞț ȝșȎȤȘȎȞȠȖ ² ȑȞț ȗ ȳțȦȖȣ ȐȖȠȞȎȠ ² ȑȞț ǵȎ ȑȜȒȖț
ȒȜ ȐȳȒȝȞȎȐșȓțțȭ ȝȜȠȭȑȎ ǼșȓțȎ ȐȖȞȳȦȖșȎ ȝȜȐȓȞțȡȠȖ Ȥȓȗ ȝȜȟȎȒȜȥțȖȗ
ȒȜȘȡȚȓțȠ ǰȳȒȝȜȐȳȒțȜ ȒȜ ȝȞȎȐȖș ȕȎ ȠȎȘȖȣ ȡȚȜȐ ȴȗ ȝȜȐȓȞȠȎȬȠȪ șȖȦȓ ȐȎȞȠȳȟȠȪ
ȘȐȖȠȘȎ ȗ ȝȜșȜȐȖțȡ ȐȎȞȠȜȟȠȳ ȝșȎȤȘȎȞȠȖ ǸȞȳȚ ȠȜȑȜ ȕȎ ȝȜȐȓȞțȓțțȭ ȝȜȟȎȒȜȥ
țȜȑȜȒȜȘȡȚȓțȠȎȕǼșȓțȖȒȜȒȎȠȘȜȐȜȟȠȭȑțȡȠȪȕȏȳȞȑȞț
ɐȿɃɉɈɋȺȾɈɑɇɂɃȾɈɄɍɆȿɇɌȯɉȱȾɋɌȺȼɈɘȾɅəɉɊɈȲɁȾɍ
ǬǯDZ
ǯȤȻțȖȜȭșřȇȠŨȳ ǠȕȖȗȘșȝȞȢǮȟșȡȔ
ǢȻȘȣȤȔȖȟșȡȡȳ
ǯȤȜțȡȔȫșȡȡȳ
2200001 ǪǨȈǢŞǯǠDZǠǦǨǰDZǼǪǨǩ
2200200 ǢȇǭǭǨǶǿ
ǤȔȦȔŵȫȔȥȖȻȘȣȤŜ
ǤȔȦȔŵȫȔȥȣȤȜȕŜ
ǯȢȼțȘ
ǢȔȗȢȡ
ǬȻȥȪș
DZșȤȖȻȥ
12.12.2020 06:50
12.12.2020 09:09
ǢǠǰDzʰ240,00ǣǰǭ
1. ȍȘȡȟȡȚȡȑȞȜȦȓȗǾȡȑȞț 40. 22.
ǻȎ ȞȖȟȡțȘȡ ȕȜȏȞȎȔȓțȜ ȝȞȭȚȜȘȡȠțȖȘ ABCD ȗ ȘȜșȜ
ȭȘȓ ȒȜȠȖȘȎȱȠȪȟȭ ȒȜ ȟȠȜȞȜțȖ Ǯǰ ȗ ȟȠȜȞȳț ǰǿ ȗ ǮD
Ȑ ȠȜȥȘȎȣ M ȳ K ȐȳȒȝȜȐȳȒțȜ ǽȓȞȖȚȓȠȞ ȥȜȠȖȞȖȘȡȠțȖȘȎ
ǮǰǺK ȒȜȞȳȐțȬȱȟȚȎȒȜȐȔȖțȎȐȳȒȞȳȕȘȎKǿ²ȟȚ
1. ǰȖȕțȎȥȠȓȞȎȒȳȡȟȡȟȚ 43. 23.
ȁ ȝȞȭȚȜȘȡȠțȳȗ ȟȖȟȠȓȚȳ ȘȜȜȞȒȖțȎȠ ȡ ȝȞȜȟȠȜȞȳ ȕȎȒȎțȜ ȐȓȘȠȜȞ A
ń
B(–3; 8; 1)
ȳȠȜȥȘȡǰ² 48. 25.
ȁȝȓȞȦȜȚȡȘșȎȟȳȒȳȐȥȎȠȜȘȕȭȘȖȣșȖȦȓȜȒțȎțȎȳȚ·ȭDzȎȞȖțȎȳȣșȜȝȥȖ
ȘȳȐ ǻȎ ȝȓȞȦȜȚȡ ȡȞȜȤȳ ȐȥȖȠȓșȪȘȎ țȎȐȚȎțțȭ ȢȜȞȚȡȱ ȝȎȞȖ ȒȳȠȓȗ ȭȘȳ ȟȖȒȳȠȖ
ȚȡȠȪȕȎȜȒțȳȱȬȝȎȞȠȜȬǽȓȞȦȜȬȐȜțȎȐȖȏȖȞȎȱȝȎȞȡȒșȭDzȎȞȖțȖȍȘȎȗȚȜȐȳȞțȳȟȠȪ
ȠȜȑȜȧȜDzȎȞȖțȎȟȖȒȳȠȖȚȓȕȎȜȒțȳȱȬȝȎȞȠȜȬȕȒȳȐȥȖțȘȜȬ
ǰȳȒȝȜȐȳȒȪ
Dzșȭ ȝȞȖȑȜȠȡȐȎțțȭ ȒȓȕȳțȢȳȘȡȐȎșȪțȜȑȜ ȞȜȕȥȖțȡ ȘȜțȤȓțȠȞȎȠ ȞȜȕȐȜȒȭȠȪ ȐȜȒȜȬ
ȐȚȎȟȜȐȜȚȡȐȳȒțȜȦȓțțȳȐȳȒȝȜȐȳȒțȜȝȳȟșȭȥȜȑȜțȎȘȜȔțȳȑȐȜȒȖȒȜȏȎȐ
șȭȬȠȪ ȑ ȎȞȜȚȎȠȖȥțȜȴ ȞȳȒȖțȖ ǿȘȳșȪȘȖ ȑȞȎȚȳȐ ȘȜțȤȓțȠȞȎȠȡ ȝȜȠȞȳȏțȜ Ȓșȭ
ȝȞȖȑȜȠȡȐȎțțȭȑȞȜȕȥȖțȡ
ǰȳȒȝȜȐȳȒȪ
16
49. 27. ǼȏȥȖȟșȳȠȪȕțȎȥȓțțȭȐȖȞȎȕȡa2
– 24a + 16 – 3
27a3
ȕȎȎ
ǰȳȒȝȜȐȳȒȪ
28.
ǾȜȕȐ·ȭȔȳȠȪȞȳȐțȭțțȭx4
– x2
² ȁȐȳȒȝȜȐȳȒȳȕȎȝȖȦȳȠȪȒȜȏȡȠȜȘȡȟȳȣȗȜȑȜ
ȒȳȗȟțȖȣȘȜȞȓțȳȐ
ǰȳȒȝȜȐȳȒȪ
ǾȓȒȎȘȠȜȞ ȟȠȞȳȥȘȖ țȜȐȖț ȐȖȞȳȦȡȱ ȡ ȭȘȳȗ ȝȜȟșȳȒȜȐțȜȟȠȳ ȞȜȕȚȳȟȠȖȠȖ ȞȳȕțȖȣ
țȜȐȖț ȝȜșȳȠȖȥțȳ ȟȡȟȝȳșȪțȳ ȗ ȟȝȜȞȠȖȐțȡ ǿȘȳșȪȘȖ ȐȟȪȜȑȜ ȱ ȞȳȕțȖȣ
ȝȜȟșȳȒȜȐțȜȟȠȓȗ ȞȜȕȚȳȧȓțțȭ ȤȖȣ țȜȐȖț ȡ ȟȠȞȳȥȤȳ ȕȎ ȡȚȜȐȖ ȧȜ ȝȜșȳȠȖȥțȳ
țȜȐȖțȖȚȎȬȠȪȝȓȞȓȒȡȐȎȠȖȳțȦȖȚȎȟȝȜȞȠȖȐțȎțȜȐȖțȎ²ȏȡȠȖȜȟȠȎțțȪȜȬȁȐȎ
ȔȎȗȠȓȧȜȘȜȔțȡȳȕȤȖȣțȜȐȖțȡȟȠȞȳȥȤȳțȓȝȜȐȠȜȞȬȬȠȪ
ǰȳȒȝȜȐȳȒȪ
17
50. ǾȜȕȐ·ȭȔȳȠȪ ȕȎȐȒȎțțȭ ǵȎȝȖȦȳȠȪ ȡ ȏșȎțȘȡ ǯ ȝȜȟșȳȒȜȐțȳ șȜȑȳȥțȳ Ȓȳȴ
ȠȎ ȝȜȭȟțȓțțȭ Ȑȟȳȣ ȓȠȎȝȳȐ ȞȜȕȐ·ȭȕȎțțȭ ȕȎȐȒȎțȪ ȕȞȜȏȳȠȪ ȝȜȟȖșȎțțȭ țȎ
ȚȎȠȓȚȎȠȖȥțȳȢȎȘȠȖȕȭȘȖȣȐȖȝșȖȐȎȱȠȓȥȖȳțȦȓȠȐȓȞȒȔȓțțȭȍȘȧȜȝȜȠȞȳȏțȜ
ȝȞȜȳșȬȟȠȞȡȗȠȓȞȜȕȐ·ȭȕȎțțȭȕȎȐȒȎțȪȞȖȟȡțȘȎȚȖȑȞȎȢȳȘȎȚȖȠȜȧȜ
30. ǵȎȒȎțȜȢȡțȘȤȳȬy = x3
– 3x
1.
Dzșȭ țȎȐȓȒȓțȖȣ ȡ ȠȎȏșȖȤȳ ȕțȎȥȓțȪ ȎȞȑȡȚȓțȠȎ ȣ ȐȖȕțȎȥȠȓ ȐȳȒȝȜȐȳȒțȳ ȴȚ
ȕțȎȥȓțțȭȡ
x y
0
–1
2
2. ǰȖȕțȎȥȠȓȗȕȎȝȖȦȳȠȪȘȜȜȞȒȖțȎȠȖȠȜȥȜȘȝȓȞȓȠȖțȡȑȞȎȢȳȘȎȢȡțȘȤȳȴy = x3
– 3x
ȳȕȐȳȟȟȬȣ
3. ǵțȎȗȒȳȠȪȝȜȣȳȒțȡf cȢȡțȘȤȳȴf(x) = x3
– 3x
4. ǰȖȕțȎȥȠȓțȡșȳȢȡțȘȤȳȴf c
5.
ǰȖȕțȎȥȠȓȝȞȜȚȳȔȘȖȕȞȜȟȠȎțțȭȳȟȝȎȒȎțțȭȠȜȥȘȖȓȘȟȠȞȓȚȡȚȡȗȓȘȟȠȞȓȚȡȚȖ
ȢȡțȘȤȳȴf
6. ǽȜȏȡȒȡȗȠȓȓȟȘȳȕȑȞȎȢȳȘȎȢȡțȘȤȳȴf
ǰȳȒȝȜȐȳȒȪ
18
52. ǾȜȕȐ·ȭȔȳȠȪ ȕȎȐȒȎțțȭ ² ǵȎȝȖȦȳȠȪ ȡ ȏșȎțȘȡ ǰ ȝȜȟșȳȒȜȐțȳ șȜȑȳȥțȳ Ȓȳȴ
ȠȎ ȝȜȭȟțȓțțȭ Ȑȟȳȣ ȓȠȎȝȳȐ ȞȜȕȐ·ȭȕȎțțȭ ȕȎȐȒȎțȪ ȕȞȜȏȳȠȪ ȝȜȟȖșȎțțȭ țȎ
ȚȎȠȓȚȎȠȖȥțȳȢȎȘȠȖȕȭȘȖȣȐȖȝșȖȐȎȱȠȓȥȖȳțȦȓȠȐȓȞȒȔȓțțȭȍȘȧȜȝȜȠȞȳȏțȜ
ȝȞȜȳșȬȟȠȞȡȗȠȓȞȜȕȐ·ȭȕȎțțȭȕȎȐȒȎțȪȞȖȟȡțȘȎȚȖȑȞȎȢȳȘȎȚȖȠȜȧȜ
ȁȐȎȑȎȁȚȜȐȖȕȎȐȒȎțȪȳȚȎȬȠȪȟȝȳșȪțȡȥȎȟȠȖțȡǾȜȕȐ·ȭȕȎțțȭȕȎȐȒȎțȪ
²ȕȎȝȖȦȳȠȪșȖȦȓȐȏșȎțȘȡǰ.
32.
ǼȟȪȜȐȖȚȝȓȞȓȞȳȕȜȚȤȖșȳțȒȞȎȱȝȞȭȚȜȘȡȠțȖȘǮǰǿDȟȠȜȞȜțȎǮDȭȘȜȑȜșȓȔȖȠȪ
ȡ țȖȔțȳȗ ȜȟțȜȐȳ ȤȖșȳțȒȞȎ DzȳȎȑȜțȎșȪ Ǯǿ ȝȓȞȓȞȳȕȡ ȒȜȞȳȐțȬȱ d ȗ ȡȠȐȜȞȬȱ ȕ
ȝșȜȧȖțȜȬ țȖȔțȪȜȴ ȜȟțȜȐȖ ȤȖșȳțȒȞȎ ȘȡȠ ᇗ ǻȎ ȘȜșȳ țȖȔțȪȜȴ ȜȟțȜȐȖ ȐȖȏȞȎțȜ
ȠȜȥȘȡKȠȎȘȧȜȑȞȎȒȡȟțȎȚȳȞȎȒȡȑȖǮKȒȜȞȳȐțȬȱƒ
1.
ǵȜȏȞȎȕȳȠȪ țȎ ȞȖȟȡțȘȡ ȕȎȒȎțȖȗ ȤȖșȳțȒȞ ȳ ȐȘȎȔȳȠȪ ȘȡȠ Ȗ ȚȳȔ ȝșȜȧȖțȜȬ
(KBD 54. 34. ǵȎȒȎțȜȟȖȟȠȓȚȡȞȳȐțȭțȪ
ax2
+ 3ax + 41 + y
= 8,
xà y
= 1,
Ȓȓx, y²ȕȚȳțțȳa²ȒȜȐȳșȪțȎȟȠȎșȎ
1. ǾȜȕȐ·ȭȔȳȠȪȟȖȟȠȓȚȡȭȘȧȜa
2. ǰȖȕțȎȥȠȓȐȟȳȞȜȕȐ·ȭȕȘȖȕȎȒȎțȜȴȟȖȟȠȓȚȖȕȎșȓȔțȜȐȳȒȕțȎȥȓțȪa
21
57. ²ȢȜȞȚȡșȎǻȪȬȠȜțȎ²ǹȓȗȏțȳȤȎ
0
–1
–1
1
1
y
x
Ĵ
M(xĴ, yĴ)
xĴ
yĴ
tg D
cos D
sin D
ȞȎȒ
ȑȞȎȒ 0
o
0
D
0
1
0 0 0
30
o
ʌ
–
6
1
–
2
1
–
2
2
—
2
1
—
3
2
—
2
3
—
2
3
—
2
45
o
ʌ
–
4
1 3
60
o
ʌ
–
3
o
180
o
270
o
360
o
ʌ
–
2
ʌ 3ʌ
—
2
2ʌ
1
0
0
–1
–1
0
0
1
țȓȳȟțȡȱ țȓȳȟțȡȱ
ǵȎȑȎșȪțȖȗȐȖȑșȭȒ
ȝȓȞȐȳȟțȖȣF(x) + C,
C²ȒȜȐȳșȪțȎȟȠȎșȎ
ȂȡțȘȤȳȭf(x)
0 C
xĴ + 1
— + C
Ĵ
ln ~x~ + C
x + C
sin x –cos x + C
cos x sin x + C
tg x + C
1
—
cos2
x
1
ex
ex
+ C
1
–
x
xĴ
Ĵz –1
58. 24
ǸȳțȓȤȪȕȜȦȖȠȎ
DZdzǼǺdzȀǾǥȍ
DzȜȐȳșȪțȖȗȠȞȖȘȡȠțȖȘ
ǽȎȞȎșȓșȜȑȞȎȚ
ǽȞȭȚȎ
ȝȞȖȕȚȎ
ȄȖșȳțȒȞ ǸȜțȡȟ ǸȡșȭȟȢȓȞȎ
ǽȞȎȐȖșȪțȎ
ȝȳȞȎȚȳȒȎ
ǽȞȭȚȜȘȡȠțȖȘ ǾȜȚȏ ȀȞȎȝȓȤȳȭ
ǽȞȭȚȜȘȡȠțȖȗȠȞȖȘȡȠțȖȘ
ǸȜȜȞȒȖțȎȠȖȠȎȐȓȘȠȜȞȖ
ȀȞȖȘȡȠțȖȘȖ
ȅȜȠȖȞȖȘȡȠțȖȘȖ
ǸȜșȜ
Ǽȏ·ȱȚțȳȢȳȑȡȞȖȗȠȳșȎ
ǸȞȡȑ
S = ab sinȖ
S = aha
V = SȜȟț ˜ H
Sȏ = PȜȟț ˜ H
V =
1
–
3
SȜȟț ˜ H
Sȏ = 1
–
2
PȜȟț ˜ m
V = ʌR2
H
Sȏ = 2ʌRH
V =
1
–
3
ʌR2
H
Sȏ = ʌRL
V =
4
–
3
ʌR3
S = 4ʌR2
L = 2ʌR
(x – x0)2
+ (y – y0)2
= R2
S = ʌR2
S =
1
–
2
d1d2,
d1, d2 ²ȒȳȎȑȜțȎșȳȞȜȚȏȎ
S =
a + b
—
2 ˜ h,
aȳb ²ȜȟțȜȐȖȠȞȎȝȓȤȳȴ
S = ab
p =
a + b + c
—
2 Ĵ + ȕ + Ȗ = 180Ȝ
a2
= b2
+ c2
– 2bc cosĴ
a
—
VLQĴ
=
b
—
sinȕ
=
c
—
sinȖ
= 2R
R – ȞȎȒȳȡȟȘȜșȎȜȝȖȟȎțȜȑȜ
țȎȐȘȜșȜȠȞȖȘȡȠțȖȘȎ ABC
a2
+ b2
= c2
ȠȓȜȞȓȚȎǽȳȢȎȑȜȞȎ 59. b
–
c = cosĴ a
–
c = sinĴa
–
b
= tgĴ
c
a
b
C
A B
ȕ
Ȗ
ha
Į
c
a
b
Į
a
b
Ȗ
ha
a
b
d1
d2
a
b
h
R
M(x0, y0)
H
M(x0, y0, z0)
A(x1, y1, z1) B(x2, y2, z2)
H m H
R
R
H L
R
R
S =
1
–
2
a ˜ ha S =
1
–
2
b ˜ c ˜VLQĴ S = p(p – a)(p – b)(p – c)
x0 =
x1 + x2
—
2
y0 =
y1 + y2
—
2
z0 =
z1 + z2
—
2
AB(x2 – x1, y2 – y1, z2 – z1) ~AB~ (x2 – x1)2
+ (y2 – y1)2
+ (z2 – z1)2
a ˜ b = a1b1 + a2b2 + a3b3
a ˜ b = ~a~˜~b~FRVǗ
Ǘ
a(a1, a2, a3)
b(b1, b2, b3)