Definitions
Variable, coefficient, or the product of the two
(2x2 + 4) - (3x2 + (-3))
-x2 + 7
(x2 + 3) (x4 - 2)
x6 + 3x4 - 2x2 - 6
What is the volume of a cylinder
pi(r)2
x times x
x2
Definition of Constant
A number without a variable
(3x2 - x + 3) + (x2 + 6)
(4x2 - x + 9)
(x3 + 2x + 6) (x)
x4 + 2x2 + 6x
What is the volume of a cube if one side is x
x3
x + x
2x
Definition of coefficient
A number with a variable
(4x3 + 2x) - (3x2 + 5)
(4x3 - 3x2 + 2x - 5)
3 minutes
(x + 1) (x3 + 5x + 4)
(x4 + x3 + 5x2 + 5x + 4)
What is the formula for a triangle?
(bh)/2
Base times height over 2
x4 times x3
x7
Definition of Operator (examples too)
(5x2 + 5x + 3) - (4x3 - 4x + 5)
-4x3 + 5x2 + 9x - 5
(x2 + 2x) (4 - 3)
(x2 + 2x)
Add all areas together
x2 + x3
x2 + x3
definition of exponent
How many times the base is multiplied to itself
(5x2 - 5x2)
0
How do you multiply two polynomials together? (not looking for box method)
Multiply every term in polynomial 1 to every term in polynomial 2
Super Question (4 minutes)
What is the surface area of a cylinder?
HC + 2pi(r2)
H(pi)(D) + 2(pi)(r2)
H(pi)(2r) + 2(pi)(r2)
C = circumference = pi(Diameter)
Diameter = 2(radius)
x3 times x5 + x8
2x8