7. Below, quadrilateral ABCD is plotted with coordinates 4(0, 8), B(4, 2), C(-3, – 4) and D(-7, 2). (a) Calculate the slope of each line segment. Show your calculation and express your answers in simplest form. AB: BC: CD: AD: (b) What conclusions can you make about parallel sides based on these slope calculations? (c) What conclusion can you make about quadrilateral ABCD? Why?

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Equations and inequalities describe the relationship between two mathematical expressions.

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