Factorising Flashcards
1
Q
x^2+8x-9 factorised
A
(x+4)^2-25
2
Q
(x+4)^2-25=0 What is x?
A
x=1 or -9
3
Q
x^2-10x+3 factorised
A
(x-5)^2-22
4
Q
(x-5)^2-22=0 What is x?
A
x=9.69 or 0.31
5
Q
Vertex of (x+4)^2-25
A
(-4,-25)
6
Q
Vertex of (x-5)^2-22
A
(5,-22)