Τεστ στη Διακρίνουσα
Authored by Vangelis Nikolaidis
Education
4th Grade
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5 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Όταν Δ>0 η εξίσωση αx2+ βx+γ=0 ....
Έχει 1 διπλή λύση.
Έχει 2 άνισες λύσεις.
Δεν έχει λύσεις.
Είναι αόριστη.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Η εξίσωση 5x2 - 8x + 3 =0 έχει λύσεις:
1 και 3/5
1 και -4
-1 και 3/5
1 και -4
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Η εξίσωση 6 (x2 - 1) = 1 - x2 έχει λύσεις:
1 και -2
-1 και 2/3
-1/7 και 1
-1 και -3/2
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Το τριώνυμο 4x2 -9x + 5 = ......
4(x-1)(x-2)
(4x-5)(x-1)
(x+4)(x-1)
2(x-6)(x-7)
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
H εξίσωση έχει λύσεις:
x=1 και x=2
x=-1 και x=-7
x=0
x=1 και x=4
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