State whether the following statement is True or False. Justify your answer.
$A$ binomial can have at most two terms.

Write the coefficient of $x^{2}$ in the following polynomial:
$3x^{3} - 8x^{2} + 14x - 5$

Classify the following as a constant,linear,quadratic,or cubic polynomial:
$\sqrt{2} x - 1$

Which of the following expressions is a polynomial? State the reason. If an expression is a polynomial,state whether it is a polynomial in one variable or not: $x^{2}-15x+50$

If $x+y=-4,$ then what is the value of $x^{3}+y^{3}-12xy+64?$

Classify the following as linear,quadratic,or cubic polynomial: $x^{2}-9x+14$.