Triangle
ABC with vertices A(-6, -8), B(0, 4), and C (-6, 10) is dilated so that A’ is
now (-15, -20). What was the
dilation, and where are B’ and C’?

Question

Triangle  ABC with vertices A(-6, -8), B(0, 4), and C (-6, 10) is dilated so that A’ is  now (-15, -20). What was the  dilation, and where are B’ and C’?

Neala · Answer

Answer:   scale factor = 2.5 and b` is now (0,10) and c` is (-15, 25)   Step-by-step explanation:   You first want to divide -15 and -6, the x values of a and a`. this will give you the scale factor. then multiply every other number by the scale factor to get the points for b` and c`.  (not sure if this is right but this is how i learned)

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