Descompunere in factori

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Question 1 of 5

Dintre numerele \[a = 2022^2-4^2 \hspace{1em} si \hspace{1em} b=2021^2-3^2\] mai mare este numarul a.

Select one of the following:

True
False

Explanation

Question 2 of 5

Descompunerea in factori a expresiei \[E(x,y)=x^2+2x\sqrt{2}+2\] este:

Select one of the following:

\[(x+2)^2\]
\[(2x+1)^2\]
\[(x+\sqrt{2})^2\]
\[(x+\frac{1}{\sqrt{2}})^2\]

Explanation

Question 3 of 5

Expresia algebrica \[x^2+8x+16\] se poate descompune cu:

Select one or more of the following:

patratul sumei
patratul diferentei
diferenta de patrate

Explanation

Question 4 of 5

Select from the dropdown lists to complete the text.

Un dreptughi are diagonala de 13cm si aria egala cu 60cm^2.
Perimetrul dreptunghiului este ( 34, 17, 13, 30 ) cm si lungimile laturilor sunt x = ( 10, 12, 5 )cm, respectiv y=( 12, 5, 10 )cm.

Explanation

Question 5 of 5

\( x^2-6x-7 = ❌ \)
\( x^2+2x-15 = ❌ \)
\( x^2-x-20 = ❌ \)
\( x^2-x-42 = ❌ \)

Drag and drop to complete the text.

(x+1)(x-7)

(x-3)(x+5)

(x+4)(x-5)

(x+6)(x-7)

Explanation

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	Created by Flavia Duta almost 2 years ago

Descompunere in factori folosind factor comun si formule de calcul prescurtat

Descompunere in factori

Question 1 of 5

Dintre numerele \[a = 2022^2-4^2 \hspace{1em} si \hspace{1em} b=2021^2-3^2\] mai mare este numarul a.

Select one of the following:

Explanation

Question 2 of 5

Descompunerea in factori a expresiei \[E(x,y)=x^2+2x\sqrt{2}+2\] este:

Select one of the following:

Explanation

Question 3 of 5

Expresia algebrica \[x^2+8x+16\] se poate descompune cu:

Select one or more of the following:

Explanation

Question 4 of 5

Select from the dropdown lists to complete the text.

Un dreptughi are diagonala de 13cm si aria egala cu 60cm^2. Perimetrul dreptunghiului este 34 17 13 30( 34, 17, 13, 30 ) cm si lungimile laturilor sunt x = 10 12 5( 10, 12, 5 )cm, respectiv y=12 5 10( 12, 5, 10 )cm.

Explanation

Question 5 of 5

\( x^2-6x-7 = ❌ \) \( x^2+2x-15 = ❌ \) \( x^2-x-20 = ❌ \) \( x^2-x-42 = ❌ \)

Drag and drop to complete the text.

Explanation

Un dreptughi are diagonala de 13cm si aria egala cu 60cm^2.
Perimetrul dreptunghiului este ( 34, 17, 13, 30 ) cm si lungimile laturilor sunt x = ( 10, 12, 5 )cm, respectiv y=( 12, 5, 10 )cm.

\( x^2-6x-7 = ❌ \)
\( x^2+2x-15 = ❌ \)
\( x^2-x-20 = ❌ \)
\( x^2-x-42 = ❌ \)