repàs rectes i vectors

repàs rectes i vectors

9th - 12th Grade

10 Qs

quiz-placeholder

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repàs rectes i vectors

repàs rectes i vectors

Assessment

Quiz

Mathematics

9th - 12th Grade

Practice Problem

Medium

Created by

Sara Sánchez

Used 7+ times

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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Calcula l'ordenada del punt P sabent que
- pertany a la recta: -x - y + 8 = 0
- el valor de l'abscissa és 3:   P(3,   )

-1

-3

0

5

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Calcula l'equació explícita de la recta següent:

y = -2x - 2

y = -1/2 x -2

y = -1/2 x + 2

y = 1/2x + 2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Calcula l'equació explícita de la recta següent:

y = 3x + 8

y = -3x + 9

y = 3x - 9

y = 3x + 9

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Quin d'aquests és un vector director de la recta:
4x + 5y - 6 = 0

(-6, 5)

(-5, 4)

(4, -6)

(4, 5)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Completa l'equació de la recta que passa pel punt P(1,1) i té com a vector v = (1,4) 

r: (x,y) = (   ,    ) + k · (   , )

(x,y) = (1 , 1) + k · (1 , -4)

(x,y) = (1 , 4) + k · (1 , 1)

(x,y) = (1 , 1) + k · (1 , 4)

(x,y) = (-1 , 4) + k · (1 , 1)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

6 · (-2,1) + 2 · (3,2) - 6·(1,2) = (    ,    )

(-12, -2)

(-6, 2)

(2, 6)

(6, 2)

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Calcula el mòdul del vector v = (3, 0)

Arrel (3)

Arrel (7)

7

3

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