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What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2

If the discriminant if a quadratic equation is 4 which statement describes the roots?

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square