Działania na wyrażeniach algebraicznych
Quiz
•
Mathematics
•
7th - 9th Grade
•
Hard

Danuta Sosnowska
Used 6+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Iloczyn (4x + 5)(6 − x) jest równy:
−4x2 + 19x + 30
4x2 + 9x + 30
−4x2 + 9x + 30
−4x2 + 9x - 30
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Wyrażenie (3a − 5b)2 jest równe:
9a2 − 25b2
9a2 − 30ab − 25b2
9a2 − 30ab + 25b2
9a2 + 30ab + 25b2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Jaka jest wysokość sześciopiętrowego budynku mieszkalnego, jeżeli parter ma a metrów, każde piętro jest o 0,5 m wyższe od parteru, a wysokość strychu wynosi 2 m.
a+6(a+0,5)+2
a+6a+0,5+2
6a+0,5+2
a+6a+2*0,5
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Po zredukowaniu jednomianów podobnych w sumie algebraicznej
4p + 5p2 - 10p - p - 3p2 + p2
otrzymasz:
-7p - 3p2
7p - 3p2
3p2 + 7p
3p2 - 7p
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Wykonaj działania
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6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
7.
MULTIPLE CHOICE QUESTION
1 min • 12 pts
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