1)
[tex]\begin{gathered} x^3\text{ + 5x} \\ \text{cubic , 2 terms} \end{gathered}[/tex]2) The term quadratic describes something that pertains to squares, to the operation of squaring, to terms of the second degree
[tex]\begin{gathered} x^2-2x-1 \\ \text{quadratic, 3 terms} \end{gathered}[/tex]3) of or relating to the fourth degree. a quartic polynomial or equation.
[tex]\begin{gathered} 5x^4 \\ \text{quartic, 1 term} \end{gathered}[/tex]4) quintic : a polynomial or a polynomial equation of the fifth degree.
[tex]\begin{gathered} 6x^5-3x^2\text{ + 7x + 9} \\ qu\text{intic , 4 terms} \end{gathered}[/tex]5)
[tex]\begin{gathered} =11x\text{ - 5} \\ L\text{inear , 2 terms} \end{gathered}[/tex]6)
[tex]\begin{gathered} 4x^2\text{ + 20} \\ \text{quadratic, 2 terms} \end{gathered}[/tex]