Scale factors between 0 and 1 Scale factors greater than 1 Scale factors between 0 and 1 Scale factors greater than 1 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Use a scale factor of 3 to dilate trapezoid KLMN What are the coordinates for point L? ( , ) K L M N 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Use a scale factor of 3 to dilate trapezoid KLMN What are the coordinates for point M? ( , ) K L M N 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Use a scale factor of 3 to dilate trapezoid KLMN What are the coordinates for point N? ( , ) K L M N 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Use a scale factor of 3 to dilate trapezoid KLMN What are the coordinates for point K? ( , ) K L M N 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Use a scale factor of 3 to dilate trapezoid KLMN ***Multiply both coordinates by 3.*** K L L (0, 2) M N L' ( , ) 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Use a scale factor of 3 to dilate trapezoid KLMN ***Multiply both coordinates by 3.*** K L M (3, 2) → M' ( , ) L (0, 2) → L' (0, 6) M N 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Use a scale factor of 3 to dilate trapezoid KLMN ***Multiply both coordinates by 3.*** K L N (3, -1) → N' ( , ) M (3, 2) → M' (9, 6) L (0, 2) → L' (0, 6) M N 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Use a scale factor of 3 to dilate trapezoid KLMN ***Multiply both coordinates by 3.*** K L N (3, -1) → N' (9, -3) K (-2, -1) → K' ( , ) M (3, 2) → M' (9, 6) L (0, 2) → L' (0, 6) M N 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 N (3, -1) → N' (9, -3) K (-2, -1) → K' (-6, -3) M (3, 2) → M' (9, 6) L (0, 2) → L' (0, 6) K' GOOD JOB! K L' L N M' N' 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Use a scale factor of ½ to dilate figure EFGH. What are the coordinates for point E? ( , ) E H G F 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Use a scale factor of ½ to dilate figure EFGH. What are the coordinates for point F? ( , ) E H G F 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Use a scale factor of ½ to dilate figure EFGH. What are the coordinates for point G? ( , ) E H G F 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 Use a scale factor of ½ to dilate figure EFGH. What are the coordinates for point H? ( , ) E H G F 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 ***Divide both coordinates by 2.*** Use a scale factor of ½ to dilate figure EFGH. E (0, 0) → E' ( , ) E H G F 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 ***Divide both coordinates by 2.*** Use a scale factor of ½ to dilate figure EFGH. F (10, 0) → F' ( , ) E (0, 0) → E' (0, 0) E H G F 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 ***Divide both coordinates by 2.*** Use a scale factor of ½ to dilate figure EFGH. F (10, 0) → F' (5, 0) G (10, 6) → G' ( , ) E (0, 0) → E' (0, 0) E H G F 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 ***Divide both coordinates by 2.*** Use a scale factor of ½ to dilate figure EFGH. H (0, 6) → H' ( , ) F (10, 0) → F' (5, 0) G (10, 6) → G' (5, 3) E (0, 0) → E' (0, 0) E H G F 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 GOOD JOB! H (0, 6) → H' (0, 3) F (10, 0) → F' (5, 0) G (10, 6) → G' (5, 3) E (0, 0) → E' (0, 0) H' E H E' F' G' G F 3 in D F E 9 in D' F' Find the scale factor: (reduce) ORIGINAL IMAGE E' = 2 -2 4 -4 6 -6 2 -2 4 -4 6 -6 8 -8 10 -10 ORIGINAL IMAGE Find the scale factor: (reduce) = T V V' T' R' S' R S Find the scale factor: Δ PSU is a dilation of Δ RST. 8 ½ 16 2 R 8 P 8 S U T |