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Vektoriai (koordinatės)

Authored by Vilma Al

Mathematics

3rd Grade

Used 11+ times

Vektoriai (koordinatės)
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7 questions

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1.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

 Vektoriaus m+n koordinate˙s, kai m(2;5) ir n(4;1):Vektoriaus\ \overrightarrow{m}+\overrightarrow{n}\ koordinatės,\ kai\ \overrightarrow{m}\left(2;5\right)\ ir\ \overrightarrow{n}\left(-4;-1\right):  

(a)  

2.

FILL IN THE BLANKS QUESTION

30 sec • 1 pt

 Vektoriaus mp, kai m=4i10j, p=11i koordinates yra:Vektoriaus\ \overrightarrow{m}-\overrightarrow{p},\ kai\ \overrightarrow{m}=-4\overrightarrow{i}-10\overrightarrow{j},\ \overrightarrow{p}=-11\overrightarrow{i}\ koordinates\ yra:  



(a)  

3.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

 Raskite vektoriaus KA ilgį,jei K(8;12), A(5;8)Raskite\ vektoriaus\ \overrightarrow{KA}\ i\lgį,jei\ K\left(8;12\right),\ A\left(5;8\right)  

(a)  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Ar vektoriai a(35;1,2) ir p(115;2,4) yra kolinearuˉs?Ar\ vektoriai\ \overrightarrow{a}\left(\frac{3}{5};1,2\right)\ ir\ \overrightarrow{p}\left(-1\frac{1}{5};2,4\right)\ yra\ kolinearūs?  

Taip

Ne

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

 Kokia turi buˉti a reiksˇme˙, kad vektoriai a(2a;5)ir b(4;1) buˉtų kolinearuˉs.Kokia\ turi\ būti\ a\ reikšmė,\ kad\ vektoriai\ \overrightarrow{a}\left(2a;5\right)ir\ \overrightarrow{b}\left(-4;-1\right)\ būtų\ kolinearūs.  



(a)  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 Ar vektoriai m=3i7j ir AB, kai A(2;3),B(7;1), yra statmeni?Ar\ vektoriai\ \overrightarrow{m}=\overrightarrow{3i}-7\overrightarrow{j}\ ir\ \overrightarrow{AB},\ kai\ A\left(2;-3\right),B\left(7;-1\right),\ yra\ statmeni?  

Ne

Taip

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

 Raskite a(3;4) ir b=6j3i skaliarinę sandaugą.Raskite\ \overrightarrow{a}\left(-3;4\right)\ ir\ \overrightarrow{b}=6\overrightarrow{j}-3\overrightarrow{i}\ skaliarinę\ sandaugą.  

(a)  

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