add or subtract 1. (x 2 + 4x – 1) + (5x 2 – 6x + 4) 2. (5y 2 – 9y + 1) – (7y 2 – 8y – 6)...
TRANSCRIPT
Add or subtract
1. (x2 + 4x – 1) + (5x2 – 6x + 4)
2. (5y2 – 9y + 1) – (7y2 – 8y – 6)
Find the product
3. (x – 6)(3x + 4)
4. (2x + 5)(3x + 4)
6x2 – 2x + 3
-2y2 – y + 7
3x2 – 14x – 24
6x2 + 23x + 20
# of Terms
Name by # of Terms
1 Monomial
2 Binomial
3 Trinomial
4+ Polynomial
Degree(largest
exponent)
Name by degree
0 Constant
1 Linear
2 Quadratic
3 Cubic
74 2z
Identify the polynomial by degree and by the number
of terms.
LinearBinomial
Degree:
# of Terms:
Leading Coefficient:74
876 3r
Identify the polynomial by degree and by the number
of terms.
CubicMonomial
Degree:
# of Terms:
25 7 2x x
Identify the polynomial by degree and by the number
of terms.
QuadraticTrinomial
Degree:
# of Terms:
Leading Coefficient:5
Multiplying Polynomials
Binomial Theoremand
Pascal’s Triangle
Pascal’s Triangle
1 n = 0
1 1 n = 1
1 2 1 n = 2
1 3 3 1 n = 3
??? n = 4
Binomial Theorem 1 n = 0
1 1 n = 1
1 2 1 n = 2
1 3 3 1 n = 3(a+b)0 = 1
(a+b)1 = 1a + 1b
(a+b)2 = 1a2 + 2ab + 1b2
(a+b)3 = 1a3 + 3a2b + 3ab2
+ 1b3
Binomial Theorem 1 n = 0
1 1 n = 1
1 2 1 n = 2
1 3 3 1 n = 3
Use the binomial theorem to write out (x + 3)2.
Binomial Theorem 1 n = 0
1 1 n = 1
1 2 1 n = 2
1 3 3 1 n = 3
Use the binomial theorem to write out (x + 3)3.
Binomial Theorem 1 n = 0
1 1 n = 1
1 2 1 n = 2
1 3 3 1 n = 3
Try (x + 2)4.
Application
x + 2
x + 2
Find an expression for the area of the base and then, the volume of the box:
A = x2 + 4x + 4
V = x3 + 6x2 + 12x + 8
x + 2