QUESTION IMAGE
Question
what is the image point of (1, -7) after the transformation $r_{90^{circ}} \circ r_{x-axis}$?
answer attempt 1 out of 2
(\square, \square)
Step1: Aplicar \( r_{x\text{-axis}} \)
La reflexión sobre el eje \( x \) transforma un punto \( (x, y) \) en \( (x, -y) \). Para \( (1, -7) \):
\( r_{x\text{-axis}}(1, -7) = (1, -(-7)) = (1, 7) \)
Step2: Aplicar \( R_{90^\circ} \)
La rotación de \( 90^\circ \) en sentido antihorario transforma \( (x, y) \) en \( (-y, x) \). Aplicamos a \( (1, 7) \):
\( R_{90^\circ}(1, 7) = (-7, 1) \)
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\((-7, 1)\)