Question 21 Mark$\left(x^2 y^2+8\right)$ is a polynomial of degree 2.AnswerfalseView full question & answer→
Question 31 Mark$\left(x^2+5\right)$ is a polynomial of degree 2.AnswertrueView full question & answer→
Question 71 MarkWhen $a=3$, then $a^2$ and $2 a$ have equal values.AnswerfalseView full question & answer→
Question 81 MarkThe value of $x^y$ is 8, when $x=3$ and $y=2$.AnswerfalseView full question & answer→
Question 111 Mark$m n-\frac{m}{n}+5$ is a polynomial in $m$ and $n$.AnswerfalseView full question & answer→
Question 121 Mark$m^2 n+m n^2+2 m n-3 n$ is a polynomial in $m, n$ of degree 3.Answertrue View full question & answer→
Question 131 Mark$x y-y z+z x$ is a polynomial in $x, y, z$ of degree 2.Answertrue View full question & answer→
Question 151 Mark$\frac{2}{3}+\frac{3}{5} x^2+x^3$ is not a polynomial.AnswerfalseView full question & answer→