2. If (- 8, 4), (- 2, 4) and (5, a) then find its value.
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Answer:
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Step-by-step explanation:
(x2-x1)-(y2-y1)
(4+8)-(4-2)=
12-2
=10
again applying the same formula
(4-2)-(a-5)
2-5+a
-3=a
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