FACTORISING Flashcards

(10 cards)

1
Q

What is factorising the opposite of?

A

Expanding

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What do we look for first?

A

The highest common factor of the terms

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What do we do with the HCF?

A

Bring it outside the bracket

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How do you check to see if the answer is right?

A

Expand it

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Now factorise 3y+15

A

3 (y+5)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Now factorise 4w-6

A

2 (2w-3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Factorise 27x-45

A

9 ( 3x-5)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Name the acronym for the method.

A

F
F1
F2
FF1F2
FACTORISE, FACTORISE NUMBER1, FACTORISE NUMBER2
Fin Feedle1, Feedle2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Factorise 100x-40

A

20 ( 5x-2)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Factorise a^2+3a

A

A^2= 1
3a = 3
a (a + 3)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly