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Dig 9 kl (I g)

Authored by Renata Kandrotienė

Mathematics

9th - 12th Grade

Used 8+ times

Dig 9 kl (I g)
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21 questions

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1.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Stalas kainuoja 279 eurų.

Taikoma savaitgalio nuolaida 35%. Kiek kainuos stalas su nuolaida?

(a)  

2.

OPEN ENDED QUESTION

3 mins • 1 pt

Ar funkcijos y = f(x) = 0,5x² - 2x grafikui priklauso taškas D(4; 0).

Atsakymą pagrįskite skaičiavimu.

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3.

FILL IN THE BLANKS QUESTION

2 mins • 1 pt

Išspręskite lygtį:

5x2+6x=05x^2+6x=0

(a)  

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Išspręskite lygčių sistemą:

(-5; -9)

(-9; 5)

(-5; 9)

(5; -9)

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Apskaičiuokite lygties diskriminantą:

6x2−x+5=06x^2-x+5=0

(a)  

6.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Media Image

Apskaičiuokite pavaizduoto trikampio smailiojo kampo sinusą B. Atsakymą parašykite šimtųjų tiksumu.

(a)  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

Kuris atsakymas klaidingas?


sin⁡∠A=BCAB\sin\angle A=\frac{BC}{AB}

cos⁡ ∠B=ABBC\cos\ \angle B=\frac{AB}{BC}

tg∠A=BCACtg\angle A=\frac{BC}{AC}

sin⁡∠B=ACAB\sin\angle B=\frac{AC}{AB}

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