Rozwiązanie równania x2 − 9 = 0 to:

RÓWNANIA KWADRATOWE

Quiz
•
Mathematics
•
1st - 3rd Grade
•
Medium

Hanna Krzyśków
Used 56+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
x = 3
x = -3 lub x = 3
x = 0 lub x = 3
x = 9
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rozwiązanie równania x2 + 2x = 0 to:
x = 0 lub x = 2
x = 0 lub x = −2
x = 2
x = −2
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
w równaniu 2x2-5x+6=0
a=2, b=5, c=6
a=2, b=-5, c=6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
W równaniu -x2-2x+3=0
a=-x2, b=2x, c=3
a=-1, b=2, c=3
a=-x2, b=-2x, c=3
a=-1, b=-2, c=3
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
dla równania x2-5x-6=0 Δ=
-49
49
1
6
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
dla równania x2-5x-6=0 x1 i x2 wynoszą odpowiednio
x1= 2 x2= 3
x1=-2 x2=-3
x1=-6 x2=1
x1 i x2 nie istnieją
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Jeżeli a=1, b=-5 i c=-6 to Δ=
1
54
49
-49
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