formule de calcul prescurtat

formule de calcul prescurtat

7th Grade

10 Qs

quiz-placeholder

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formule de calcul prescurtat

formule de calcul prescurtat

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Tamara Popovici

Used 6+ times

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(x+4)2

x2+16

x2+4x+16

x2+8x+16

2.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

(0,5x - 0,4y)2

0,25x2- 0,8xy + 0,16y2

0,25x2- 0,4xy + 1,6y2

0,25x2- 0,4xy + 0,16y2

3.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

4.

MULTIPLE CHOICE QUESTION

45 sec • 5 pts

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(0,5a + 0,6b)(0,6b - 0,5a)

0,36b2 - 0,25a2

3,6b2 - 0,25a2

0,25a2 - 0,36b2

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Descompunerea în factori a expresiei 3x2 - 6x este:

3x(x-2)

x(3x - 6)

3x(x-6)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

9x2 - 12x +4

(9x - 2)2

(3x - 2)2

(3x + 2)2

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