Równania - utrwalenie wiadomości kl.7

Równania - utrwalenie wiadomości kl.7

10th Grade - University

10 Qs

quiz-placeholder

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Równania - utrwalenie wiadomości kl.7

Równania - utrwalenie wiadomości kl.7

Assessment

Quiz

Mathematics

10th Grade - University

Medium

Created by

Ewelina Cieśla

Used 14+ times

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10 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

 Liczba 2 spełnia równanie

 3(2x5)=14x3\left(2x-5\right)=1-4x  

 2x +1=92x2x\ +1=9-2x  

 2x1=2x+12x-1=2x+1  

 x=3x 2x=3x\ -2  

2.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Liczba  1-1  spełnia równanie

 3a(a5)=(a2)(3a3)3a\left(a-5\right)=\left(a-2\right)\left(3a-3\right)  

 4a1=2(a+8)4a-1=2\left(a+8\right)  

 a1=2a2a-1=\frac{2a}{2}  

 a23=a+1\frac{a-2}{3}=a+1  

3.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Rozwiązaniem równania 3(x-1)=0 jest:

x=-1

x=0

x=1

x=3

4.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Rozwiązaniem równania 4(x-1)=6(1+x) jest:

x= -5

x=5

x=1

x= -1

5.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Rozwiązaniem równania  x53=x +15\frac{x}{5}-3=x\ +\frac{1}{5}  jest:

x=4

x=8

x= -4

x=0

6.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Rozwiązaniem równania  x+12x13=14\frac{x+1}{2}-\frac{x-1}{3}=\frac{1}{4}  jest:

x= -3,5

x=3,5

x=1.5

x=5

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

Jeden z kątów przyległych jest o 70°70\degree  większy od drugiego. Jakie miary mają te kąty?

 55°, 125°55\degree,\ 125\degree  

 50°, 100°50\degree,\ 100\degree  

 45°, 135°45\degree,\ 135\degree  

 55°, 100°55\degree,\ 100\degree  

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