Free Printable Formule de calcul prescurtat

Worksheets

Formule de calcul prescurtat

Total questions: 10

Worksheet time: 5mins

Name

Class

Date

( x + y )²=

x²+y²

x²-2xy+y²

x²-y²

x²+2xy+y²

( 5 + a )²=

25+5a+a²

25+10a+a²

25-10a+a²

25-a²

( y + 1 )²=

y²-1

Show answersExplanationPreviousNext

y²+1

y²-2y+1

y²+2y+1

(√6 + √7)²=

13+2√42

13-2√42

13+√42

( a + 4 )( a – 4 ) =

a²+16

a²-16

a²-4

a²-8a+16

( 3 – x )²=

9+6x+x²

9-6x+x²

9-x²

9-3x+x²

( 0,6 + a )( 0,6 – a ) =

0,36-a²

a²-0,36

36-a²

3,6-a²

Alegeți formula corectă

(a+b)(a-b)=a²-2ab+b²

(a+b)(a-b)=a²b²

(a+b)(a-b)=a²-b²

(a+b)(a-b)=a²+b²

( 2a – 3b )²=

4a²-6ab+9b²

4a²-9b²

4a²+12ab+9b²

4a²-12ab+9b²

10.

(4m – 5 )²=

16m²-40m+25

16m²+40m+25

16m²-25

16m²-20m+25

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Formule de calcul prescurtat

Total questions: 10

Worksheet time: 5mins

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