Review:
Classify as monomial, binomial or trinomial. State the degree for each.
2 + 3x
x2 + x + 1
6x
x5 ­ 2x3 + 3x
1 ­ 3x ­7
x
1
Review:
Add or Subtract
(x3 ­ 6x2 + 2x + 4) + (x3 + 5x2 ­ 7x)
Multiply
(2x + 1)(3x ­ 5)
(x2 ­ 3)(x3 + 2x + 1)
2
Multiplying Special Products (using a formula).
Try It!
(a ­ b)(a + b) = a2 ­ b2
(x + 4)(x ­ 4)
(a + b)2 = a2 + 2ab + b2
(y + 3)2
(a ­ b)2 = a2 ­ 2ab + b2
(m2 ­ 2)2
(a + b)3 = a3 + 3a2b + 3ab2 + b3
(z + 7)3
(a ­ b)3 = a3 ­ 3a2b + 3ab2 ­ b3
(a4 ­ b2)3
3
Assignment(PC Day1)
page 33 2, 4, 10, 12, 14, 18, 22, 26, 28, 30, 32
4