Line segment AB has vertices A(-3, 4) and B(1, -2). A dilation centered at the orgin is applied to AB. The image has vertices A( -1, 4/3) and B(1/3, -2/3). What is tjr scale factor of the dilation? 1. 1/6 2. 1/3 3. 3 4. 6
1 answer:
Answer:
option 2
Step-by-step explanation:
consider the coordinates A (- 3, 4 ) and A' (- 1, )
since the dilatation is centred at the origin, then corresponding coordinates are multiples/ divisors of each other, then image to original gives scale factor.
scale factor = = = and =
similarly B (1, - 2 ) and B' ( , - )
= and =
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