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Эл. мат 46-90, 1-уровень

Authored by Кырмызы Толеубайкызы

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Эл. мат 46-90, 1-уровень
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45 questions

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1.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Функцияның анықталу облысын табыңыз: y = x2−5x+6x−4\sqrt[]{\frac{x^2-5x+6}{x-4}}

x≥2;  x<3 ;  x≤4x\ge2;\ \ x<3\ ;\ \ x\le4

X∈[2; 3] ∪(4; +∘∘)X\in\left[2;\ 3\right]\ \cup\left(4;\ +\circ\circ\right)

(2; 3) U [4; + OO)

[1; 3] U (4; + OO)

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Қатар екі санның көбейтіндісі олардың қосындысынан 11-ге артық.  Кіші сан нешеге тең?

4

-3

0

1

3.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Теңдеуді шешіңіз:  2⋅3x+1+3x+3=332\cdot3^{x+1}+3^{x+3}=33

1

0

27

6

4.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

4x⋅5x+1 = 5⋅202−x4^x\cdot5^{x+1}\ =\ 5\cdot20^{2-x} теңдеуінің түбірі:

0

1

2

3

5.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Көбейткіштерге жіктеңіз: a5+a3 −a2 −1a^5+a^{3\ }-a^2\ -1

(a+1)⋅(a2+1)⋅(a2+a+1)\left(a+1\right)\cdot\left(a^2+1\right)\cdot\left(a^2+a+1\right)

(a−1)⋅(a2+1)⋅(a2+a+1)\left(a-1\right)\cdot\left(a^2+1\right)\cdot\left(a^2+a+1\right)

(a−1)⋅(a2−1)⋅(a2+a+1)\left(a-1\right)\cdot\left(a^2-1\right)\cdot\left(a^2+a+1\right)

(a+1)⋅(a2−1)⋅(a2+a+1)\left(a+1\right)\cdot\left(a^2-1\right)\cdot\left(a^2+a+1\right)

6.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Көбейткіштерге жіктеңіз: (a5+3a4−4a3−12a2)\left(a^5+3a^4-4a^3-12a^2\right)

a2⋅(a−3)⋅(a−2)⋅(a+2)a^2\cdot\left(a-3\right)\cdot\left(a-2\right)\cdot\left(a+2\right)

a2⋅(a+3)⋅(a−2)⋅(a+2)a^2\cdot\left(a+3\right)\cdot\left(a-2\right)\cdot\left(a+2\right)

a2⋅(a+1)⋅(a−2)⋅(a+2)a^2\cdot\left(a+1\right)\cdot\left(a-2\right)\cdot\left(a+2\right)

a2⋅(a−1)⋅(a−2)⋅(a+2)a^2\cdot\left(a-1\right)\cdot\left(a-2\right)\cdot\left(a+2\right)

7.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Көбейткіштерге жіктеңіз: a4+2a3−2a−1a^4+2a^3-2a-1

(a−1)⋅(a+1)⋅(a2−a+1)\left(a-1\right)\cdot\left(a+1\right)\cdot\left(a^2-a+1\right)

(a−1)⋅(a+1)3\left(a-1\right)\cdot\left(a+1\right)^3

(a−1)⋅(a+1)⋅(a2+a+1)\left(a-1\right)\cdot\left(a+1\right)\cdot\left(a^2+a+1\right)

(a+1)⋅(a−1)3\left(a+1\right)\cdot\left(a-1\right)^3

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