Nevezetes szorzatok

Nevezetes szorzatok

1st Grade

10 Qs

quiz-placeholder

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Nevezetes szorzatok

Nevezetes szorzatok

Assessment

Quiz

Mathematics

1st Grade

Practice Problem

Hard

Created by

Sándorné Pinczés Marianna

Used 59+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Melyikkel lesz egyenlő a (a+b)2 ?

a2+b2

a2+ab+b2

a2+2ab+b2

a+2ab+b

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Melyikkel NEM egyenlő a (2a+3b)2 ?

4a2+12ab+9b2

4a2+6ab+6ab+9b2

(2a)2+12ab+(3b)2

4a2+6ab+9b2

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Melyik a helyes?

(a+b)(a-b)=a2-b2

(a-b)(a+b)=a2+ab+b2

(a+b)(a-b)=a2-2ab-b2

(a+b)(a-b)=a2+2ab+b2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Melyikkel lesz egyenlő? (2x-2y)(2x+2y)=

4x+4y

4x2-4y2

4x2-xy-4y2

4y2+4x2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Melyikkel NEM lesz egyenlő? (2a-8b)(2a+8b)=

4a2-64b2

4a2-(8b)2

(2a)2-(8b)2

a2-4b2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(y-3)2

y2+9

y2-9

y2-6y+9

y-6y+9

7.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

d2 -10d +25

(d+5)2

(d+5)(d-5)

(d-10)2

(d-5)2

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