
kvadrātvienādojums
Quiz
•
Mathematics
•
8th Grade
•
Practice Problem
•
Medium
Volha Isakina
Used 6+ times
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13 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nosaki kvadrātvienādojuma 9x - 7 - 2x2 = 0 koeficientu a!
9
-7
-2
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nosaki kvadrātvienādojuma x2 - 3 = 0 koeficientu b!
1
-3
0
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Nosaki kvadrātvienādojuma koeficientus x2-x+5=0
a=1, b=1, c=0
a=0, b=1, c=5
a=1, b=-1, c=5
a=0, b=0, c=5
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Atzīmē, kurš no dotajiem kvadrātvienādojumiem atbilst , ja koeficienti ir a=3, b=0, c=1
x2+1=0
3x2+1=0
x2+3x+1=0
x2+3=0
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Aprēķini vienādojuma -2x2+5x+3=0 diskriminantu
D=49
D=7
D=1
D=-1
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Ja diskriminanta vērtība ir 0, tad dotajam vienādojumam
nav sakņu
ir divas vienādas saknes
ir divas dažādas saknes
ir divas saknes, kuru vērtības ir pretējas
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x2-9=0
3
-3
x=3 un x=-3
nav iespējams atrisināt
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