Линейни уравнения

Линейни уравнения

9th Grade

7 Qs

quiz-placeholder

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Линейни уравнения

Линейни уравнения

Assessment

Quiz

Mathematics

9th Grade

Medium

Created by

Svetoslav Martina

Used 3+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

y=5x-7

57\frac{5}{7}

75\frac{7}{5}

1210\frac{12}{10}

1012\frac{10}{12}

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

колко на брой от числата 1, 2, 3 НЕ са от дефиниционното множество на функцията
f(x)= x1x23x+2\frac{x-1}{x^2-3x+2}  ?

0

1

2

3

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Графиката на функцията y= x24x1\frac{x^2-4}{x-1}  пресича абсцисната ос в точка с координати


(0; 4)

(4; 0)

(0; -2)

(2; 0)

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Координатите на върха на параболата 2x22x+12x^2-2x+1  са:

(1; 1)

 (12; 12)\left(\frac{1}{2};\ \frac{1}{2}\right)  

 (12; 52)\left(-\frac{1}{2};\ \frac{5}{2}\right)  

(-1; 5)

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Ако у=2x2+3x4у=-2x^2+3x-4  намери у, ако:
а)х=0                 б)х=3

(4; -13)

(-4; 13)

(-4; -13)

(4; 13)

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Ако f(x)=2x2+5x4f\left(x\right)=2x^2+5x-4  намери 
а)f (2)                                 b)f (-4)

-6 ; -48

6 ; 48

-6 ; 48

6 ; -48 

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

y = 2x (x + 5)

(10 ; 0)

(-10 ; 0)

(5 ; 0)

(-5 ; 0)