Expansion of linear expressions Flashcards Preview

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Flashcards in Expansion of linear expressions Deck (11)
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1

What do you mean by expanding 

2 * (3 + 4)

 

You remove the bracket and form two seperate terms

2 * (3 + 4) = 2 * 3 + 2 * 4

2

What do you mean by expanding the aglebraic expression

5(b + c)

 

You remove the bracket and form two seperate terms

5b + 5c

3

What is the distributive law of multiplcation of an algebraic expression?

a(b + c)

It is the general rule for expansion of bracketed terms in an algebraic expression

a(b + c) = ab + ac

 

4

Expand 

2(x + y)

2x + 2y

5

Expand 

2(x - y)

2x - 2y

6

Expand 

2(3x + y)

6x + 2y

7

Expand 

2(3x - y)

6x - 2y

8

Expand 

-2(x + y)

-2x - 2y

9

Expand 

-2(x - y)

-2x + 2y

10

Expand 

-2(3x - y)

-6x + 2y

11

Expand 

-2(3x + y)

-6x - 2y