Question

consider the following polynomials:

polynomial a: 5z + 4z^4 + 6z^3 + 2
polynomial b: 2x^4 + 9x^7 - 12x - 2

O leading term polynomial a: 4z^4
O leading term polynomial a: -6z^3
O leading term polynomial b: -12x
O leading term polynomial b: 9x^7
O 4z^4 - 6z^3 + 5z +2
O -6z^3 + 5z. + 4z^2 +2
O leading coefficient polynomial a: 4
O leading coefficient polynomial a: -6
O 9x^7 + 2x^4 - 12x - 2
O -12x + 9x^7 + 2x^4 - 2
O leading coefficient polynomial b: 9
O leading coefficient polynomial b: -12