Multiply Binomials
January 25, 2010
Multiplying Binomials
Objective: Multiply binomials.
Jan 15­8:34 AM
1
Multiply Binomials
January 25, 2010
Review
Find each product.
1. 4(x ­ 3)
2. 4r(r ­ 1)
3. 6h(h2 + 7h ­ 3)
4. y2(y3 ­ 7)
Jan 15­8:24 AM
2
Multiply Binomials
January 25, 2010
What is the area of this box?
X
+
5
X
+
2
How would we write the area of the box as a product of the two sides?
Where did each term come from?
Jan 15­8:39 AM
3
Multiply Binomials
January 25, 2010
Use the distributive property to multiply binomials.
(x + 5)(x + 2) = (x ­ 1)(x + 9) = Jan 15­8:40 AM
4
Multiply Binomials
January 25, 2010
Practice
1. (x ­ 6)(x + 3)
2. (x + 4)(x + 4)
3. (n ­ 5)(n ­ 3)
4. (a + 7)(a ­ 2)
Jan 18­3:54 PM
5
Multiply Binomials
January 25, 2010
Homework:
Multiplying Binomials
Jan 18­3:54 PM
6