Quadratics Flashcards
1
Q
(x+y)2
A
(x+y)(x+y) = x2+ 2xy +y2
2
Q
(x-y)2
A
(x-y) (x-y) = x2- 2xy - y2
3
Q
x2- y2
A
(x+y) (x-y)
4
Q
(xa) (ya)
A
(xy)a
(x+y)2
(x+y)(x+y) = x2+ 2xy +y2
(x-y)2
(x-y) (x-y) = x2- 2xy - y2
x2- y2
(x+y) (x-y)
(xa) (ya)
(xy)a