Wzory skróconego mnożenia
Authored by Michał Przybyło
Mathematics
1st Grade
Used 9+ times
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28 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 12 pts
( x + 7)2 =
x2 + 7x + 49
x2 + 14x + 7
x2 + 14x + 49
x + 14x + 49
2.
MULTIPLE CHOICE QUESTION
45 sec • 12 pts
( x - 4)2 =
x2 - 2x + 16
x2 - 4x + 16
x2 - 8x - 16
x2 - 8x + 16
3.
MULTIPLE CHOICE QUESTION
45 sec • 12 pts
( x - 5)(x + 5) =
x2 - 2x +25
x2 - 25
x2 - 5
x2 + 25
4.
MULTIPLE CHOICE QUESTION
45 sec • 12 pts
( 3x - 4)2 =
9x - 12x +4
9x2 - 12x + 16
9x2 - 24x + 16
9x2 + 24x + 16
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
( 6 - 3x )2 =
36 + 36x + 9x2
36 - 36x + 9x2
36 - 36x + 3x2
36 - 18x + 9x2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
( 1 + 8x)(1 - 8x) =
1- 16x +64x2
1 - 64x2
2 - 64x2
1 - 8x2
7.
MULTIPLE CHOICE QUESTION
45 sec • 12 pts
(√3 + 4)(√3 - 4) =
1
4
-1
-13
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