Rate constant and Michaelis Menten
Given $\ce{E + S &lt;=&gt;ES -&gt; E + P}$ 

$\frac{d[\ce{ES}]}{dt}=-\frac{d[\ce{E}]}{dt}=  k_1[\ce{E}][\ce{S}]-k_2[\ce{ES}] -k_3[\ce{ES}]  $


  is the slope of $[ES]$ equal to $k_2$ ?


no


  is the slope of $[E]$ equal to $k_1 + k_3$


no