Classify the following polynomials as polynomials in one-variable, two variables etc.: `x^2-x y+7y^2` (ii) `x^2-2t x+7t^2-x+t`

Classify the following polynomials as polynomials in one-variable, two variables etc.: (i) x^2-x y+7y^2 (ii) x^2-2t x+7t^2-x+t

Classify the following polynomials as polynomials in one variable, two variables, etc: x^2-xy+5y^2

Classify the following polynomials as polynomials in one-variable, two variables etc. : (i) x^2-x y+7y^2 (ii) x^2-2t x+7t^2-x+t (iii) t^3-3t^2+4t-5 (iv) x y+y z+z x

Classify the following polynomials as polynomials in one variable, two variables, etc: x^2-2tx-x+3

Classify the following polynomials as polynomials in one variable, two variables etc: y^3-5y

Classify the following polynomials as polynomials in one variable, two variables, etc: xy+2yz+3zx

Classify the following polynomials as polynomials in one-variable,two variables etc.: x^(2)-xy+7y^(2)( ii) x^(2)-2tx+7t^(2)-x+t

Classify the following polynomials as polynomials in one-variable,two variables etc.:( i) x^(2)-xy+7y^(2)( ii) x^(2)-2tx+7t^(2)-x+t( iii )t^(3)-3t^(2)+4t-5 (iv) xy+yz+zx

Classify the following polynomials as polynomials in one variable, two variables, etc: t^3+3t^2+7t-9

Classify the following polynomials as polynomials in one-variable, two variables etc.: (i) t^3-3t^2+4t-5 (ii) x y+z y+z x