COMMENT AND ANSWERR WITH EXPLANATION Pls

Which of the following statements is a true conclusion that can be made from the scaled bargraph?

Which statement is true about the extreme value of the given quadratic equation? a. the equation has a maximum value with a y-coordinate of -21. b. the equation has a maximum value with a y-coordinate of -27. c. the equation has a minimum value with a y-coordinate of -21. d. the equation has a minimum value with a y-coordinate of -27.

Find the slope of the line that passes through the points (-2, 4) and (-5, -6). -2/7 10/3 -2/3