Polynomial Identification

Number placed before and multiplying the variable.

A quantity representing the power to which a given number or expression is to be raised.

A value or number that never changes in expression.

Is determined by the highest exponent

$$6x^4-3x^3-2x+5$$ which of these numbers is a coefficient of this expression?

Which number is an exponent of this expression? $$6x^4-3x^3-2x+5$$

Which is the number of the constant in this equation? $$6x^4-3x^3-2x+5$$

$$-4x^8+\pi x^3-\sqrt[]{5}\ x-1$$ is this expression a polynomial?

Is this expression a polynomial? $$10x^2+3\sqrt[]{x}+12$$

Is this expression a polynomial? $$15x^{-3}+3x^2-8x-5$$