y-coordinate is negative, so the point is in b. 1 point quadrant IV. c. 1 point for correctly changing the coordinates of one point; 2 points for Rubric showing that DEFG is a parallelogram 2 points for finding the midpoint; 1 for explaining why it lies in quadrant IV Rubric a. 2 points for appropriate calculations; G.GPE.5 Answers 1 point for explanation G.GPE.5 Answers The slopes of the lines are equal; therefore, the lines are parallel. 1. C When two parallel lines are cut by a 2. B transversal, alternate exterior angles are congruent. 3. A, D Therefore, 1 7. Rubric 5. Slope of 1 for each slope; 1 point for showing Slope of that ; 1 point for concluding that , so , and and intersect at a right angle. 1 7 Rubric Rubric 1 point for each slope; 1 point for showing 1 point for answer; 1 point for ; 1 point for concluding and intersect at appropriate work a right angle 6. of line m: G.GPE.6 Answers Slope of line n: The coordinates of point P are 1. A Rubric 2. D 1 point for finding the coordinates of P; 3. A, B, D 1 point for showing work 4. D 5. F 6. G 7. A 8. SP is of ST. Run of 5 7; rise of 2 G.GPE.7 Answers C, D 2. B 3. B G.GMD.1 Answers G.GMD.1 Answers 2. C
y-coordinate is negative, so the point is in quadrant IV. Rubric 2 points for finding the midpoint; 1 for explaining why it lies in quadrant IV Rubric a. 2 points for appropriate calculations; 1 point for explanation b. 1 point c. 1 point for correctly changing the coordinates of one point; 2 points for showing that DEFG is a parallelogram G.GPE.5 Answers G.GPE.5 Answers 1. C 2. B 3. A, D 5. Slope of Slope of , so , and and intersect at a right angle. Rubric 1 point for each slope; 1 point for showing ; 1 point for concluding and intersect at a right angle 6. of line m: Slope of line n: The slopes of the lines are equal; therefore, the lines are parallel. When two parallel lines are cut by a transversal, alternate exterior angles are congruent. Therefore, 1 7. Rubric 1 for each slope; 1 point for showing that ; 1 point for concluding that 1 7 Rubric 1 point for answer; 1 point for appropriate work G.GPE.6 Answers 1. A 2. D 3. A, B, D 4. D 5. F 6. G 7. A 8. SP is of ST. Run of 5 7; rise of 2 The coordinates of point P are Rubric 1 point for finding the coordinates of P; 1 point for showing work G.GPE.7 Answers C, D 2. B 3. B G.GMD.1 Answers G.GMD.1 Answers 2. C
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