қысқаша көбейту формуласы

қысқаша көбейту формуласы

7th Grade

13 Qs

quiz-placeholder

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қысқаша көбейту формуласы

қысқаша көбейту формуласы

Assessment

Quiz

Mathematics

7th Grade

Hard

Created by

Гулжан Талипова

Used 103+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

(-9a+4b)^2=

81a^2-72ab+16b^2

81a^2-72ab-16b^2

-81a^2-72ab+16b^2

-81a^2+72ab+16b^2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

b2-8b+16

(b-4)

(b-4)2

(b-2)2

(2-b)2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

c2+10c+25

(c+4)2

(2c+5)2

(c+5)2

(c+15)2

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(3-5a)2

9-30a+25a2

9+30a+25a2

9-30a-25a2

9-3a+25a2

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Екі өрнектің қосындысының квадратының формуласын көрсет

(a+b)2=a2+2ab+b2\left(a+b\right)^2=a^2+2ab+b^2

(a+b)2=a22abb2\left(a+b\right)^2=a^2-2ab-b^2

(ab)2=a24ab+b2\left(a-b\right)^2=a^2-4ab+b^2

(a+b)2=a2+4ab+b2\left(a+b\right)^2=a^2+4ab+b^2

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Амалды орында:  (x5)(5+x)\left(x-5\right)\left(5+x\right)  

 5x55x-5  

 x5x-5  

 x25x^2-5  

 x225x^2-25  

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Теңдеуді шеш:  (2a11)(11+2a)(2a5)2=0\left(2a-11\right)\left(11+2a\right)-\left(2a-5\right)^2=0 

 a=7.3a=7.3  

 a=6.8a=6.8  

 a=5a=5  

 a=4.1a=4.1  

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