Saīsinātās reizināšanas formulas

Saīsinātās reizināšanas formulas

8th Grade

8 Qs

quiz-placeholder

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Saīsinātās reizināšanas formulas

Saīsinātās reizināšanas formulas

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Medium

Created by

Jekaterina Ļitvina

Used 82+ times

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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vai kvadrātu starpības formula uzrakstīta pareizi (ab)(a+b)=a2 - b2 ?

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

1,96 − z2 =(1,4 + z) ⋅ (...)

(1,4 + z)

(z - 1,4)

(1,4 - z)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kāds monoms jāieraksta daudzpunktes vietā?

(8b + ...)(8b − ...) = 64b2 - 49

49

-49

727^2

7

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Kvadrātu starpību 9 − z2 var uzrakstīt kā divu iekavu reizinājumu. Ja viena iekava ir (3 + z), tad kāda ir otra iekava?

(3 + z)

(z - 3)

(3 - z)

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Ja būsi attapīgs, to izdarīsi ātri. 1012 − 912 =

10

192

100

1920

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Iznes pirms iekavām kopīgos reizinātājus! 28y2 − 4y =

4(7y2 - y)

4y(7y - 0)

4y(7y - 1)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vai dotā vienādība ir patiesa?

(n + g)2 = g2 + gn + n2

8.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Kāpini! (2 − b)2

4 - b2

4 - 2b - b2

4 - 4b + b2