Ecuații de gr 2
Authored by Manole Vera
Mathematics
1st - 10th Grade
CCSS covered
Used 140+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aflați x
x=2
x=-2,x=2
x=4
x=-4,x=4
Tags
CCSS.HSA-REI.B.4B
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Identificați coeficienții a și b din ecuația de gr.2
a=8, b=1
a=8, b=-1
a=-1, b=8
a=1, b=8
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Folosind relația lui Viete calculați x1 + x2
7/3
-7/3
3/7
-3/7
Tags
CCSS.HSA-REI.B.4B
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Calculați a+b+c
-25
25
24
-24
Tags
CCSS.HSA-REI.B.4B
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Folosind teorema lui Viete calculați X1*X2
-2
2
-1
1
Tags
CCSS.HSA-REI.B.4B
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dacă p= 5 și q =-3 alcătuiți ecuația de gradul 2.
x2 + 5x -3= 0
2x2 +5x + 3 = 0
x2 -5x +3 = 0
x2 -5x -3 = 0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Fie ecuaţia x^2−2x+3=0 aflați x1 + x2
2
-2
1
-1
Tags
CCSS.HSA-REI.B.4B
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