PDF chapter test TRY NOW

Give an example of a polynomial, which is :
 
i. monomial of degree \(1\)
 
ii. binomial of degree \(20\)
 
iii. trinomial of degree \(2\)
Answer variants:
\(20x+30\)
\(x^3+2x\)
\(3x\)
\(2x^{20}-10x+3\)
\(x^{20}-10\)
\(2x+1\)
\(3x^2-2x-10\)