Math scape 5.6 Flashcards
1
Q
Factorise 2x2 + 7x + 3
A
(2x + 1)(x + 3)
2
Q
Factorise 7x2 − 41x + 30
A
(7x − 6)(x − 5)
3
Q
Factorise 3x2 + 5x − 2
A
(3x − 1)(x + 2)
4
Q
Factorise 4x2 + 9x − 28
A
(4x − 7)(x + 4)
5
Q
Factorise 2k2 + 21k + 40
A
(2k + 5)(k + 8)
6
Q
Factorise 6l2 − 59l + 45
A
(6l − 5)(l − 9)
7
Q
Factorise 6a2 + 13a + 6
A
(3a + 2)(2a +3 )
8
Q
Factorise 20q2 + 7q − 6
A
(5q − 2)(4q + 3)
9
Q
Factorise 28 + 3x − x2
A
(7 − x)(4 + x)
10
Q
Factorise 56 + 19w − 10w2
A
(7 − 2w)(8 + 5w)
11
Q
Factorise 4k2 + 18k + 20
A
2(2k + 5)(k + 2)
12
Q
Factorise 10e2 + 15e − 100
A
5(2e − 5)(e + 4)
13
Q
Find what: a + 9 must be multiplied by to give 3a2 + 31a + 36
A
3a + 4
14
Q
Find what: 3n − 8 must be multiplied by to give 6n2 + 11n − 72
A
2n + 9
15
Q
Factorise 3x2 + 10x + 3
A
(3x + 1)(x + 3)
