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Cónicas

Authored by Saul Hoyes

Mathematics

1st - 9th Grade

CCSS covered

Used 14+ times

Cónicas
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8 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

La ecuación de la circunferencia con centro en el origen  C(0,0)C\left(0,0\right)   y radio  r=4r=4   es:

 x2+y2=4x^2+y^2=4  

 x2+y2=2x^2+y^2=2  

 x2+y2=16x^2+y^2=16  

 x2y2=4x^2-y^2=4  

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 El centro y el radio de la circunferencia  x2+y2=36x^2+y^2=36  es:

 C(0,0) y  r=36C\left(0,0\right)\ y\ \ r=36  

 C(0,0) y r=6C\left(0,0\right)\ y\ r=6  

 C(0,0) y  r=18C\left(0,0\right)\ y\ \ r=18  

 C(0,0) y  r=72C\left(0,0\right)\ y\ \ r=72  

Tags

CCSS.HSG.GPE.A.1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

El centro y el radio de la circunferencia  (x2)2+(y4)2=9\left(x-2\right)^2+\left(y-4\right)^2=9  son respectivamente:

 C(2,4) y  r=3C\left(-2,-4\right)\ y\ \ r=3  

 C(2,4)  y  r=9C\left(-2,-4\right)\ \ y\ \ r=9  

 C(2,4) y  r=9C\left(2,4\right)\ y\ \ r=-9  

 C(2,4) y  r=3C\left(2,4\right)\ y\ \ r=3  

Tags

CCSS.HSG.GPE.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

La ecuación de la parábola con centro en el origen, foco
 F(2,0) y directriz  x=2F\left(2,0\right)\ y\ directriz\ \ x=-2   es:

 y2=8xy^2=8x  

 y2=8xy^2=-8x  

 x2=8yx^2=8y  

 x2=8yx^2=-8y  

Tags

CCSS.HSG.GPE.A.2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 La ecuación de la parábola con foco en
 F(0,3) y directriz  y=3F\left(0,-3\right)\ y\ directriz\ \ y=3  es:

 y2=12xy^2=12x  

 y2=12xy^2=-12x  

 x2=12yx^2=12y  

 x2=12yx^2=-12y  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

El foco y la directriz de la parábola
 y2=16x y^2=-16x\   son respectivamente:

 F(4,0)  y D: x=4F\left(-4,0\right)\ \ y\ D:\ x=4  

 F(4,0) y D: x=4F\left(4,0\right)\ y\ D:\ x=-4  

 F(0,4) y D: y=4F\left(0,-4\right)\ y\ D:\ y=4  

 F(0,4) y  D: y=4F\left(0,4\right)\ y\ \ D:\ y=-4  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

 La ecuación de la elipse con focos 
 F1(4,0) y  F2(4,0)F_1\left(4,0\right)\ y\ \ F_2\left(-4,0\right)   y vértices  V1(5,0) y  V2(5,0)V_1\left(5,0\right)\ y\ \ V_2\left(-5,0\right)  es:

 x24+y25=81\frac{x^2}{4}+\frac{y^2}{5}=81  

 x25+y24=9\frac{x^2}{5}+\frac{y^2}{4}=9  

 x225+x29=1\frac{x^2}{25}+\frac{x^2}{9}=1  

 x25+y24=1\frac{x^2}{5}+\frac{y^2}{4}=1  

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