Expanding brackets
Which two numbers add to 7 and multiply to 10
5 and 2
5 + 2 = 7
5 x 2 = 10
factorise. x2+6x+9
(x+3)2
5x(x - 1)
5x2 - 5x
(x + 6) (x + 5)
x2 + 11x + 30
When is Mrs Sunil's anniversary?
15th Sept
Which two numbers add to -8 and multiply to 12
-6 and -2
-6 + -2 = -8
-6 x -2 = 12
factorise. 25x+30
5(5x+6)
-n(n - 9)
-n2 + 9n
(r + 5) (r - 8)
r2 - 3r -40
What is Mrs Sunil's favourite colour?
Blue/Purple
Which two numbers add to 15 and multiply to 50
5 and 10
5 + 10 = 15
5 x 10 = 50
factorise. x2-16
(x+4)(x-4)
-12x(-x2+32y3)
12x3-384xy3
(3n + 2)(n - 1)
3n2 - n - 2
Where did Mrs Sunil live from the ages of 6-12?
Bonus point for getting the city right!!
Ireland
Galway
Which two numbers add to -5 and multiply to -6
-6 and 1
-6 + 1 = 5
-6 x 1 = 5
x2+9x+20
(x+4)(x+5)
3xy(2 - y) - (4x + 8)
6xy - 3xy2 - 4x - 8
(2a + 5)(4a - 3)
8a2 + 14a - 15
When is Mrs Sunil's birthday?
Feb 23rd
Which two numbers add to 9 and multiply to -52
13 and -4
13 + -4 = 9
13 x -4 = -52
x2+8x+16
(x+4)(x+4) or (x+4)2
s(2r - 3s) + 2r(3r - 2s)
3s2+ 6r2 - 2rs
(3r - 2)(8r - 7)
24r2 - 37r + 14