
Suma algebraiczna
Authored by Marta Kozdęba
Mathematics
7th Grade
Used 61+ times

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11 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Ile wyrazów jest w podanej sumie algebraicznej -3a2 + 2ab - b2
jeden
dwa
trzy
cztery
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Po wykonaniu redukcji w wyrażeniu algebraicznym 12b2 + b2 - 10b2 - 4b2 otrzymasz:
b2
-b2
2b2
-2b2
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Najprostsza postać sumy algebraicznej 4x2y - 6y2 + 10y2 - 5x2y - 4y2 to:
-x2y + y2
-x2y
x2y - y2
x2y
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Po opuszczeniu nawiasów i zredukowaniu wyrazów podobnych w wyrażeniu (4a + 3) - (2a - 4) otrzymasz:
2a + 7
6a - 1
2a - 1
6a + 7
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Po wykonaniu redukcji w wyrażeniu algebraicznym
-y + (5 - y) - 3 otrzymasz:
2 - y
2
y + 2
2 - 2y
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Wartość wyrażenia -x5 +x3-x2-1 dla x=-1 wynosi
0
-1
1
-2
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Wykonaj redukcję wyrazów podobnych.
3x – 2y + 5x – 6y – x
9x+8y
7x+8y
2x -8y
7x-8y
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