1. Suppose the triangle ABC with vertices A(1, 2), B(4, 3) and C(-1, 5) is translated 2 units right and 3 units down. Use the translation matrix to find the vertices for A'B'C', the translated image of the triangle. A. B. C. D. Hint 2. A triangle ABC has vertices A(3, -1), B(4, -2), and C(7, 1). Find the coordinates of the dilated triangle for a scale factor of 3. A. A'(21, 3), B'(12, -6), C'(-9, -3) B. A'(-3, 9), B'(-6, 12), C'(3, 21) C. A'(9, -3), B'(12, -6), C'(21, 3) D. A,/i>'(12, -6), B'(21, 3), C'(-9, -3) Hint 3. A quadrilateral with vertices A(-2,-3), B(-4,2), C(-2,4) and D(0,2) is translated 5 units to the right and 3 units down. What are the new coordinates? A. A(3,-6), B(1,-1), C(3,1), D(5,-1) B. A(3,0), B(-1,5), C(3,7), D(5,5) C. A(3,-6), B(1,-1), C(3,7), D(5,5) D. A(-5,2), B(-7, 7), C(-5, 9), D(-3, 7) Hint 4. Determine the coordinates of a dilated figure with a scale factor of 1.5 if the vertices of the original are A(3,5), B(-4,5), C(-4,-5), and D(3,-5) A. A(4.5,7.5), B(-6,7.5), C(-6,-7.5) and D(4.5,-7.5) B. A(1.5,2.5), B(-2,2.5), C(-2,-2.5), and D(1.5,-2.5) C. A(1.5,3.5), B(-5.5,3.5), C(-5.5,-6.5) and D(1.5,-6.5) D. A(4.5,6.5), B(-2.5,6.5), C(-2.5,-3.5) and D(4.5,-3.5) Hint 5. Use matrices to determine the coordinates of the image of with vertices A(-3,4), B(-5,2) and C(-6,5) once it is rotated 90°. A. A'(-3,-4), B(-5,-2) and C'(-6,-5) B. A'(3,-4), B(5,-2) and C'(6,-5) C. A'(3,4), B(5,2) and C'(6,5) D. A'(-4,-3), B(-2,-5) and C'(-5,-6) Hint