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Algebriskas daļas

Authored by Zita Juste

Mathematics

9th Grade

Used 1+ times

Algebriskas daļas
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aprēķini algebriskas daļas vērtību, ja x = 24
 1xx+1\frac{1-x}{x+1}  

 2325\frac{23}{25}  

 2325-\frac{23}{25}  

1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Ar kuru mainıˉgaˉ x veˉrtıˉbu daļas  x82 veˉrtıˉba ir vienaˉda ar 4Ar\ kuru\ mainīgā\ x\ vērtību\ daļas\ \ \frac{x-8}{2}\ vērtība\ ir\ vienāda\ ar\ 4 

x = 12

x = 8

x = 16

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Nosaki daļas y3y+6 definıˉcijas apgabalu.Nosaki\ daļas\ \frac{y-3}{y+6}\ definīcijas\ apgabalu.  

 y(; 3)(3;+)y\in\left(-\infty;\ 3\right)\cup\left(3;+\infty\right)  

 y(; 6)(6;+)y\in\left(-\infty;\ 6\right)\cup\left(6;+\infty\right)  

 y(;6)(6;+)y∈(−∞;-6)∪(-6;+∞)  

 y(;3)(3;+)y∈(−∞;-3)∪(-3;+∞)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Ar kaˉdu mainıˉgaˉ veˉrtıˉbu daļas x7x9 veˉrtıˉba ir nulle.Ar\ kādu\ mainīgā\ vērtību\ daļas\ \frac{x-7}{x-9}\ vērtība\ ir\ nulle.  

x = 7

x = 9

x = -7

x = -9

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Saıˉsini daļu 30 x5y6 5x4y5Saī\sin i\ daļu\ \frac{30\ x^5y^6\ }{5x^4y^5}  

 6xy\frac{6x}{y}  

 6xy\frac{6}{xy}  

 6xy6xy  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Saıˉsini daļu xyx2xSaī\sin i\ daļu\ \frac{xy-x}{2x}  

 xy2\frac{xy}{2}  

 yx2\frac{y-x}{2}  

 y12\frac{y-1}{2}  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Atrisini vienaˉdojumu x5x+7=0Atri\sin i\ vienādojumu\ \frac{x-5}{x+7}=0  

x = 5

x = -7

x = 5 un x = -7

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