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parabola

Authored by corso aggiornamento

Mathematics

10th - 11th Grade

CCSS covered

Used 56+ times

parabola
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27 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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 y=−2x2y=-2x^2  

 y=−x2+1y=-x^2+1  

 y=2x2y=2x^2  

 y=12x2y=\frac{1}{2}x^2  

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

l'equazione dellla parabola di fuoco F(0,-4) e direttrice d: y=4

x2+16y=0x^2+16y=0

x2−16y=0x^2-16y=0

y2+16x=0y^2+16x=0

y2−16x=0y^2-16x=0

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

la paraboal di equazione  y=−2x2y=-2x^2  ha fuoco in

 (0,−18)\left(0,-\frac{1}{8}\right)  

 (−18,0)\left(-\frac{1}{8},0\right)  

 (0,18)\left(0,\frac{1}{8}\right)  

 (18,0)\left(\frac{1}{8},0\right)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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l'equaione della parabola è

y=2x2y=2x^2

x=12y2x=\frac{1}{2}y^2

x=−12y2x=-\frac{1}{2}y^2

x=−2y2x=-2y^2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

determina il vertice e il fuoco della parabola  x=−y2+6y−5x=-y^2+6y-5  

 V(4,3)   ;   F(154,3)V\left(4,3\right)\ \ \ ;\ \ \ F\left(\frac{15}{4},3\right)  

 V(−4,3)   ;   F(−154,3)V\left(-4,3\right)\ \ \ ;\ \ \ F\left(\frac{-15}{4},3\right)  

 V(3,4)   ;   F(3,154)V\left(3,4\right)\ \ \ ;\ \ \ F\left(3,\frac{15}{4}\right)  

 V(3,−4)   ;   F(3,−154)V\left(3,-4\right)\ \ \ ;\ \ \ F\left(3,\frac{-15}{4}\right)  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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è il grafico della funzione?

y=x2-2|x|

y=|x2-2x|

y=-x|x|+4

y=-x2 + 2|x|

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

il grafico della funzione  y=x+4y=\sqrt{x+4}  e'

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