
Wzory skróconego mnożenia
Authored by iwona kołodziejczyk
Mathematics
9th Grade
Used 8+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
( 3x - 4)2 =
9x - 12x +8
9x2 - 24x + 16
9x2 + 12x + 16
9x2 + 24x + 16
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
( 6 - 3x )2 =
36 + 36x + 3x2
36 - 18x + 3x2
36 - 36x + 9x2
36 - 18x + 9x2
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
( x - 7)(x + 7) =
x2 - 2x +49
x2 - 14
x2 + 49
x2 - 49
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
( 3 + 5x)(3 - 5x) =
6- 15x +25x2
3 - 15x2
9 - 25x2
9 + 5x2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
( x + 9)2 =
x2 + 18x + 81
x2 + 9x + 81
x2 + 18x + 9
x + 18x + 81
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Suma algebraiczna 9x2−6x+1 jest równa:
(1−3x)2
(3x+1)2
(3x+1)(3x−1)
3(3x2−2x+1)
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Wyrażenie x2+12x+36 zapisane w postaci kwadratu sumy lub kwadratu różnicy to:
(x+6)2
(x−6)(x+6)
(x2-6)(x2+6)
(x-6)2
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