1. Perform the indicated operation Express the answer in simplest form Show all necessary work. (a) -2 1/3 + ( -1 3/4)
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(b) -2 1/3 + 1 3/4

answer: the correct option is d.

explanation:

it is given that the triangle j'k'l' shown on the grid below is a dilation of triangle jkl using the origin as the center of dilation.

from the given graph it is noticed that k(4,8) and k'(2,4). let origin is defined by o and scale factor is defined by k, then

    (1)

distance formula,

put these values in equation (1).

therefore scale factor is     and option d is correct.

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