Sewanhaka High School
Math 8
Per:________________
Name:________________________________
Mrs. Lidowsky, Principal
Mr. Long, Teacher
Date:_____________________
H.W. #79: Ditto
DO-NOW #79:
1) Find the quotient:
9a 4  6a 2  3a
=
 3a
2) Katie owns a health club and is planning to increase the floor area of the aerobics room. In the figure below, the
solid rectangle represents the floor area of the existing room, and the dashed rectangle represents the floor area to be
added. What is the total length of the new aerobics room?
Topic: Polynomials
Main Idea: Finding the Greatest Common Factor (GCF) of an expression
Aim:
RECALL
The perimeter of a rectangle is represented
by 2L + 2W.
Express the perimeter as a product of two factors.
QUESTION: What does the word factor
mean?
Write 4d2 + 2d in factor form.
Write 6c3d – 12c2d2 + 3cd in factored form.
Write 8a5 – 6a4 in factored form
NOTES
Drill: Write the following expressions in factor form:
1) 5c + 5d
2) 3a3b2 – 6a2b
3) 2ma + 4mb + 2mc
Summary: To factor a polynomial whose terms have a common monomial factor:
If time: