8.9 Perfect Squares
Vocabulary
Term
Perfect Square
Trinomial
Definition
Square root
property
Ex: Determine whether each of the following is a perfect square trinomial. If
so, factor it.
A.
B.
C.
D.
Ex: Factor completely.
A.
C.
B.
D.
Ex: REPEATED FACTORS Solve each of the following.
A.
B.
Ex: SQUARE ROOT PROPRTY
A.
C.
B.
D.
Ex: A book falls from a shelf that is 5 feet above the floor. A model for the
height in feet of an object dropped from an initial height of feet is
, where is the time in seconds after the object is
dropped. Use this model to determine approximately how long it took for
the book to reach the ground.