Evaluate x - y - (-z) if x = -3, y = -7, and z = -9
1 answer:
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1) given
2) definition of an angle bisector
3) reflexive
4) (ASA)
5) (CPCTC)
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
=