Terminology
1a
Name: Trinomial
Coefficients: 4, -1
Lead coefficient 4
Constant:3
6x2-6x-8
7c
4x2-12+9
9
6x3
11a
3y^2/4x^3
1c
Name: Monomial
Coefficient/lead coefficient: 1
Constant: 0
5a
x2+8x-15
7d
6x2-19x-36
10c
(x+4)(x-2)
11d
4x3-6x2+1
2a
Degree: 4
4b
5x2+4x+9
7a
2x3-x2-8x+4
10a
(x-9)2
11b
x+5/3
2d
Degree 5
5b
-2x2-7x+12
7b
3x3-2x2+9x-6
10h
(3x+8)(3x-8)
11c
1/x-7
3
b, d, a, c
6
5x3+4x2+8x+6
8
3x3+17x2+11x+5
10f
(2x+5)(x-1)
12
(x+7)(x-4)