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Which compound inequality could be represented by the graph?

What are the solutions of the system? solve by graphing. y = -x^2 -6x - 7 y = 2

In a quadratic function of the form ax^2+bx+c, which of the following is not true? a. the y-intercept is c. b. if a is positive, the parabola opens up. c. the vertex has an x-coordinate of -b/2a. d. the axis of symmetry is the line y=-b/2a.