The slope of the tangent line to the parabola y=3x24x+7\displaystyle {y}={3}{x}^{{2}}-{4}{x}+{7} at the point where x=3\displaystyle {x}=-{3} is:  


The equation of this tangent line can be written in the form y=mx+b\displaystyle {y}={m}{x}+{b} where m\displaystyle {m} is:  


and where b\displaystyle {b} is: