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Język matematyki klasa 1

Authored by Monika Idczak

10th - 11th Grade

Used 862+ times

Język matematyki klasa 1
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22 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suma zbiorów A = {1,2,3,4,5} i B= {1,3,7,8}, to zbiór X=

X={1,3}
X={1,2,3,4,5,7,8}
X={pusty}
X={7,8}

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Jeśli A=<−8,12> i B=(0,20), to różnica A∖B jest przedziałem:

(−8,0)

⟨−8,0>

(−8,0⟩

<−8,0)

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Rozwiązanie równania x(x+3)−49=x(x−4) należy do przedziału

(−∞,3)
 (10,+∞)
(−5,−1)
(2,+∞)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Suma przedziałów (−∞,−12>∪<12,+∞) jest zbiorem rozwiązań nierówności:

|x|<12

|x|≤12

|x|>12

|x|≥12

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(x+3)2

x2+6x+9
x2+9
x2-6x+9
nie wiem

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Zbiór
 {−3,−2,−1, 0, 1, 2, 3, 4} \ 𝑁
to:

 {1,2,3,4} 
 {−3,−2,−1,0} 
 {−3,−2,−1} 
 {0,1,2,3,4,5} 

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

( -2; 3) ∩ 〈 1; 5〉

〈1; 3)
(1 ; 3 〉
( 1; 3 )
〈 1; 3 〉

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