What is a perfect square trinomial?
A perfect square trinomial is when both sets of parenthesis are in factored form (FF) are the same.
For example: (x+3) (x+3)
This means that the factored form can also be written as (x+3)²
The expanded form (EF) for this example would be written as x²+6x+9.
As you can see the expanded form of a perfect square trinomial DOES have a B value unlike a difference of squares equations.
For example: (x+3) (x+3)
This means that the factored form can also be written as (x+3)²
The expanded form (EF) for this example would be written as x²+6x+9.
As you can see the expanded form of a perfect square trinomial DOES have a B value unlike a difference of squares equations.
Factor this equation...
y = 4x² + 8 +16
(__ X + __ ) ( __ X - __ )
( 2x + __ ) ( 2x +___ )
What 2 numbers have a sum of 8 and a product of 16?
4 and 4
( 2x + 4) (2x + 4)
answer ...... (2x + 4) (2x +4) or ( 2x + 4 )²