Dilation Quz: versI0n 1. Dilate the rectangle ABDC using a seale factor gt2 The

Question

Dilation Quz: versI0n 1. Dilate the rectangle ABDC using a seale factor gt2 The ordered pairs for the original rectangle are as follows: A(-4,3), B(43), D(4,4),C(4,4) I pt each ordered pair . List the new coordinate pairs: A? -J BO--D'?-CO-, J Graph quadrilateral A'B'C D' on the grid above. a polnt each endered pair Is this an enlargement or reduction? Explain why it is an enlargement or a reduction and what that means. 2 pts Itis an enir breause the quadnlatral s being dialatel a actor o 2 which mans it is beiny xpandeot andl mede lar 2. The coordinates of pentagon ABCDE are A(0,0) B(3.3) C(6.3) and the coordinates of pentagon A'B'CD'E' are A' (0,0) B'(1.) C'(2.1. What is the scale factor used to dilate ABCDE to A'B'CDE?

Explanation / Answer

Since the scale factor is 2 by comparing corresponding sides of quadrilateral ABCD and quadrilateral A'B'C'D' the new

co-ordinates are A'(-8,6) B'(8, 6) C'(-8,-8) D'(8,-8)

2.The scale factor is 1/3.

Let k be a scale factor.

If 0<k<1 then it is reduction.

If k>1 then it is enlargement.

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