(-42.27,4.4) and (2.27,3.1) what is the slope in fraction form

After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30

What is perpendicular to y=-1/2x+11

What is the effect on the graph of the function f(x) = x2 when f(x) is changed to f(x) − 4?