QUESTION IMAGE
Question
- if the point ( t(-3,7) ) is reflected across the origin, then its image has coordinates
(1) ( t(3,-7) )
(2) ( t(3,7) )
(3) ( t(7,-3) )
(4) ( t(-7,3) )
Step1: Regla de reflexión sobre el origen
Cuando un punto \((x,y)\) se refleja sobre el origen, la regla es \((x,y)\to(-x,-y)\).
Step2: Aplicar la regla al punto \(T(-3,7)\)
Para \(x = - 3\) y \(y = 7\), se tiene \(-x=-(-3)=3\) y \(-y=-7\).
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(1) \(T'(3,-7)\)