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

Quiz
•
Mathematics
•
1st - 2nd Grade
•
Medium
Aλέξανδρος Μόσχος
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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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