Wyrażenia algebraiczne -trudniejsze
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Easy
Elżbieta Brudnowska
Used 1+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pole opisujące wyrażenie
12a2+4a
24a+4
24a2+4a
24a+4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pole tego prostokąta opisuje wyrażenie
4b-28
b2+3b-28
b2-28
2b-28
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Pole tego wielokąta opisuje wyrażenie
183 x2
91,5 x2
220x
98,5x2
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obwód tego wielokąta opisuje wyrażenie
43x
58x
73x
34x
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Z prostokąta o wymiarach 4w i 6a wycięto dwa kwadraty i trójkąt prostokątny, zatem pole niebieskiego wielokąta można wyrazić
24aw -12
24aw-11w2
24aw -17w2
24aw-20w2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Z prostokąta o wymiarach 4w i 6a wycięto dwa kwadraty i trójkąt prostokątny, zatem obwód niebieskiego wielokąta można zapisać
10a+12w
12a+8w
10a +12 w
12a+10w
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Z poniższych równości:
1) (2a+4x)2 = 4a2+16ax+16x2
2) (2a-4x)2 = 4a2-16x2
3) 25-9x2 = (5-3x)(5+3x)
4) (x+5)2 = x2+25
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