Función cuadrática

Función cuadrática

Professional Development

7 Qs

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Función cuadrática

Función cuadrática

Assessment

Quiz

Mathematics

Professional Development

Practice Problem

Hard

Created by

Brian T.

Used 2+ times

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7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Los coeficientes de la función f(x)=x2x5f\left(x\right)=x^2-x-5 son:

a= 1, b=1 y c=5

a= 1, b=-1 y c=-5

a= -5, b=1 y c=1

a= 1, b=-5 y c=1

a= 0, b=0 y c=-5

2.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

Si se tiene la función f(x)=x2+2x5f\left(x\right)=x^2+2x-5  cuánto es f(3)

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Al factorizar f(x)=3x2+2xf\left(x\right)=3x^2+2x para encontrar las raíces de la función, resulta: 


x(3x+2)=0

(3x+2)(x+x)=0

x(x+2)=0

 3(x2+x)3\left(x^2+x\right)  

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Al factorizar f(x)=x2+7x+10f\left(x\right)=x^2+7x+10  para encontrar las raíces de la función, resulta: 

(x+7)(x+10)=0

(x-3)(x-4)=0

(x+3)(x+4)=0

(x+5)(x-5)=0

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

En cuántos puntos intersecta la función f(x)=x225f\left(x\right)=x^2-25  


Uno

Dos

Ningún punto

Ninguna de las anteriores

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El punto de intersección de la función f(x)=x27x5f\left(x\right)=x^2-7x-5  con el eje Y


(-5, 0)

(0, -7)

(0, -5)

(-7, 0)

(0,1)

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

El eje de simetría de la función f(x)=x28x+5f\left(x\right)=x^2-8x+5  es:


x = 4

x = -4

x =  -8/5

x = 5/-8

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