9 "A" - Examen de Matemáticas II Parcial

9 "A" - Examen de Matemáticas II Parcial

9th Grade

11 Qs

quiz-placeholder

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9 "A" - Examen de Matemáticas II Parcial

9 "A" - Examen de Matemáticas II Parcial

Assessment

Quiz

Mathematics

9th Grade

Easy

Created by

Jero Santos

Used 2+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

La solución de una desigualdad cuadrática es:

Un par de intervalos

Un par de números

Infinitos

Soluciones imaginarias

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Determino la solución de:  x=7\sqrt{x}=7  

 x=±7x=\pm\sqrt{7}  

 x=±49x=\pm49  

 x=±7x=\pm7  

 x=49x=49  

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Determino la solución de:  x+2=8\sqrt{x+2}=8  

 6262  

 6464  

 7070  

Soluciones imaginarias

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Determino la solución de:  x3=18\sqrt{x-3}=-18  

 327327  

 ±327\pm327  

 ±21\pm\sqrt{21}  

Soluciones imaginarias

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Determino la solución de:  x23=x+3\sqrt{x^2-3}=x+3  

 x=x2+6x=x^2+6  

 x=3x=3  

 x=2x=-2  

 x=±(x+3)x=\pm\left(x+3\right)  

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Determino la solución de:  x=x1\sqrt{x}=x-1  

 x=2±52x=\frac{2\pm\sqrt{5}}{2}  

 x=±5x=\pm\sqrt{5}  

 x=2±2x=2\pm\sqrt{2}  

Soluciones imaginarias

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Calculo las soluciones de la siguiente ecuación cuadrática:
 x23x10>0x^2-3x-10>0  

 (,2)(5, +)\left(-\infty,-2\right)\cup\left(5,\ +\infty\right)  

 (,+)\left(-\infty,+\infty\right)  

Soluciones imaginarias

 (,5)(2,+)\left(-\infty,5\right)\cup\left(-2,+\infty\right)  

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