ellisse

ellisse

9th - 11th Grade

13 Qs

quiz-placeholder

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ellisse

ellisse

Assessment

Quiz

Mathematics

9th - 11th Grade

Practice Problem

Hard

Created by

Chiara Francia

Used 17+ times

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13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Considera l'ellisse di equazione  x2 9+y24=1\frac{x^{2\ }}{9}+\frac{y^2}{4}=1  , l'ascissa del fuoco misura:

3

 2\sqrt{2}  

 5\sqrt{5}  

5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Detta e l'eccentricità dell'ellisse che cosa si può dire di e?

0≤e<1

e=1

1<e<2

0≤e≤1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

I vertici di un ellisse hanno coordinate
(±6, 0) e (0, ±7). L'equazione canonica dell'ellisse è:

 x236+y29=1\frac{x^2}{36}+\frac{y^2}{9}=1  

 x249+y236=1\frac{x^2}{49}+\frac{y^2}{36}=1  

 x236y249=1\frac{x^2}{36}-\frac{y^2}{49}=1   

 x249+y249=1\frac{x^2}{49}+\frac{y^2}{49}=1  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Quali sono le coordinate dei fuochi dell'ellisse di equazione 4x2+64y2=256?

(±√60, 0)
(±√68, 0)
(0, ±√60)
(0, ±√68)

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Identifica il grafico che rappresenta l'equazione x²+36y²=36.

Graph 1

Graph 2

Graph 3

Graph 4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

L'equazione dell'ellisse in figura è

x29+y225=1\frac{x^2}{9}+\frac{y^2}{25}=1

x225+y29=1\frac{x^2}{25}+\frac{y^2}{9}=1

x29+y225=1\frac{x^2}{9}+\frac{y^2}{25}=1

x25+y29=1\frac{x^2}{5}+\frac{y^2}{9}=1

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

L'eccentricità dell'ellisse di equazione 25x2+9y2=225 è

4/5

3/5

5/3

5/4

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