Εξισώσεις

Εξισώσεις

1st - 2nd Grade

6 Qs

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Εξισώσεις

Εξισώσεις

Assessment

Quiz

Mathematics

1st - 2nd Grade

Practice Problem

Medium

Created by

Aλέξανδρος Μόσχος

Used 39+ times

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6 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Η εξίσωση 3x - 5 = x - 5 έχει λύση τον αριθμό:

χ =3

χ = 0

χ = -5

x = 5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ποια από τις παρακάτω εξισώσεις είναι αδύνατη

2x + x = 3x

2x + x = x

2x + x = 3(x + 1)

x = 2x

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x = 2

x = 3

x = 1

x = 5

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ποια από τις παρακάτω εξισώσεις είναι ταυτότητα

x + 1 = 2x + 1

2x - 3 - x = x + 3

2( x - 3) = x - 6

2(x - 3) - x = x - 6

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Ποια από τις παρακάτω εξισώσεις έχει κοινή λύση με την x - ( x + 5) = -3x + 1

2x - 2 = x

x - ( x- 3) = -5x + 1

2(x - 2)= x

x - 5 = -( 3x - 1)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Aν η εξίσωση 2λx - 3 = λ ( x +2) - λ έχει λύση την x = -2 τότε ο λ ισούται με :

λ = 0

λ = 1

λ = - 1

λ = -2