
Wzory skróconego mnożenia
Authored by Monika Brych
Mathematics
9th Grade
Used 1K+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 12 pts
( 3x - 4)2 =
9x - 12x +8
9x2 + 12x + 16
9x2 - 24x + 16
9x2 + 24x + 16
2.
MULTIPLE CHOICE QUESTION
2 mins • 12 pts
( x - 4)2 =
x2 - 2x + 16
x2 - 4x + 16
x2 + 8x - 16
x2 - 8x + 16
3.
MULTIPLE CHOICE QUESTION
2 mins • 12 pts
( 6 - 3x )2 =
36 + 36x + 3x2
36 - 36x + 9x2
36 - 18x + 3x2
36 - 18x + 9x2
4.
MULTIPLE CHOICE QUESTION
2 mins • 12 pts
( x - 7)(x + 7) =
x2 - 2x +49
x2 - 49
x2 - 14
x2 + 49
5.
MULTIPLE CHOICE QUESTION
2 mins • 12 pts
( 3 + 5x)(3 - 5x) =
6- 15x +25x2
9 - 25x2
3 - 15x2
9 + 5x2
6.
MULTIPLE CHOICE QUESTION
2 mins • 12 pts
( x + 9)2 =
x2 + 9x + 81
x2 + 18x + 9
x2 + 18x + 81
x + 18x + 81
7.
MULTIPLE CHOICE QUESTION
2 mins • 12 pts
(4 - 2√3) ( 4 + 2√3) =
13
18
-4
4
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