If the sum of the zeros of the quadratic polynomial $\mathrm{f}\left(\mathrm{x}\right)={\mathrm{kx}}^2-3\mathrm{x}+5$ is $1$, write the value of $\mathrm{k}$.

In the figure below, the graph of a polynomial $\mathrm{p}\left(\mathrm{x}\right)$ is given. Find the zeroes of the polynomial.

The graph of a polynomial $\mathrm{y}=\mathrm{f}\left(\mathrm{x}\right)$, shown in the following figure. Find the number of real zeros of $\mathrm{f}\left(\mathrm{x}\right)$.

The graph of the polynomials $f\left(x\right)=a{x}^2+bx+c$ is as shown below. Write the sign of $c$.

The graph of the polynomial $f\left(x\right)=a{x}^2+bx+c$ is as shown in the figure below. Write the sign of $c$.

The graph of a polynomial $f\left(x\right)$ is as shown in the figure. Write the number of real zeroes of $f\left(x\right)$.