1. 3/11 Honors Algebra Warm-up
Choose one of the following problems to simplify...
1. (c + 3)2 2. (3x – 2y)2 3.(3x2 + 2x + 1)2 A B C D
Lesson 6 CYP4

2. Product of a Sum and Difference
Square of a Sum
(a + b)2 = a2 + 2ab + b2
Square of a Difference
(a - b)2 = a2 - 2ab + b2
Product of a Sum and Difference
(a + b)(a – b)= a2 - b2
Key Concept 7-7a

3. 1. Find (7z + 2)2. 4. Find (3y + 2z)(3y – 2z). 5. Find (3x + 2)2.
2. Find (3c – 4)2.
6. Write an expression that represents the area of a square that has a side length of (3x – 5y) units.
3. Find (9d + 4)(9d – 4).
Lesson 7 Ex1

5. Practice: pgs. 407 – 408 #20-38even 20. b2 - 49 22. 121r2 - 64
24.  36h2 - 48h + 16
26.  a2 + 10ab + 25b2
28. 4x2 - 36xy + 81y2
30. 25w
32. x6 + 8x3y + 16y2
34. 64a4 - 81b6
36. (4/9)x2 - 8x + 36
38. 4n3 + 20n2 - n - 5

6. 40. Yes 41. a2 + 2a + 1 42. (a + 1)2 43. 1 Rules Sample Algebra
Pick an integer 7 a
Square the integer 49 a2
Add twice the original 63
a2 + 2a
Add 1 64
a2 + 2a + 1= (a + 1)2
Square Root 8
a + 1
Subtract the original 1