resolviendo ecuaciones cuadráticas

Quiz
•
Mathematics
•
9th Grade
•
Hard
+1
Standards-aligned
Cindy Espejo-McGivney
Used 40+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resuelve factorizando: x2 - 9x + 20 = 0
x = -4 y x = -5
x = 20 y x = -9
x = 4 y x = 5
x = -4 y x = 5
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Resuelve tomando raíces cuadradas:
5b2 - 4 = 41
b = 9, b = -9
b = 3, b = -3
b = 8, b = -8
sin solución real
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Resuelve la siguiente ecuación cuadrática:
x2-100=0
x1= 10 ; x2 = -10
x1 = 1 ; x2 = -1
x1=50 ; x2 = -50
Tags
CCSS.8.EE.A.2
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuál es el valor de x1 y x2 en la siguiente ecuación x2 + 7x = 0?
x1 = -7 ; x2 = 7
x1 = 0 ; x2 = -7
x1 = 4 ; x2 = 3
x1 = 6 ; x2 = 1
Tags
CCSS.HSA-REI.B.4B
5.
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
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
¿Cuál es la factorización correcta de la siguiente ecuación: x2 + x - 12= 0 ?
( x - 2 ) ( x + 6 )
( x + 12 ) ( x + 1)
( x - 3 ) ( x + 4 )
( x - 4 ) ( x - 3 )
Tags
CCSS.HSA-REI.B.4B
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Encuentra las soluciones de la siguiente ecuación cuadrática:
2x2-200=0
x1=10 ; x2=-10
x1=1 ; x2=-1
x1=100 ; x2=-100
Tags
CCSS.8.EE.A.2
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