This is question that I need help on

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

Which of the expressions (on the photo document i inserted) together represent all solutions to the following equation? 8cos(12x)+4=-4 *the answer should be in degrees.* > i would like for someone to explain the process to find the solutions for this.

Graph the system of equations. {6x−4y=−244x−8y=−32 use the line tool to graph the lines.