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Test: Chapter 1 Test Question 9 of 13 This test: 13 point(s) po This question: 1 point(s Complete the square and write the given equation in standard form. Then give the center and radius of the circle and graph the equation. x2 + y2 - 4x -By-5=0 The equation in standard form is]. NN (Simplify your answer.) -10 -8 The center of the circle is (Type an ordered pair.) The radius of the circle is r=] Use the graphing tool to graph the circle. Click to enlarge graph