The slope of a line characterizes the direction of a line. To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points .
I am unable to read all of the options in the picture you provided but I hope this helps! (:
You add like terms together
1x+4x+6x are like terms
=11x
Vertex is (2,-3). H (which is 2) sign is always opposite and k stays the same
100/6 = 16.66 rounds to 16.7
