
Ec. cuadráticas
Authored by Walter Araujo
Mathematics
1st Grade
CCSS covered

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14 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Los valores de x1 y x2 en la siguiente ecuación x2 - 4x + 5 = 0 son:
x1= 6 ; x2 = 2
x1 = 5 ; x2 = 1
no tiene solución real
x1 = 2 ; x2 = - 2
Tags
CCSS.HSA-REI.B.4B
CCSS.HSN.CN.C.7
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
¿Cuál es el discriminante de la ecuación 7x2 - 13x -1 = 0
-197
141
197
41
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
El discriminante de la ecuación 4x2 - 12x + 9 = 0
288
144
0
-144
4.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
El discriminante de la ecuación 3x2 + 2x = 8 es...
100
-92
102
-100
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al resolver la ecuación la solución es:
4
-4
NDLA
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al resolver la ecuación cuadrática x2 + 2x + 1=0; sus racies son:
x1 = 1; x2 = 1
x1 = 2; x2 = 1
x1 = -2; x2 = 1
x1 = 2; x2 = -1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Al resolver la ecuación cuadrática x2 - 7x + 10=0; sus racies son:
x1 = 5 y x2 = 2
x1 = -5 y x2 = -2
x1 = 5 y x2 = -2
x1 = -5 y x2 = 2
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