QUESTION IMAGE
Question
question what is the image of the point (0, - 1) after a rotation of 180° counterclockwise about the origin? answer attempt 1 out of 2
Step1: Usar fórmula de rotación
La fórmula para rotar un punto $(x,y)$ en $180^{\circ}$ en sentido anti - reloj alrededor del origen es $(x',y')=(-x,-y)$. Aquí $x = 0$ y $y=-1$.
Step2: Calcular coordenadas del punto rotado
Sustituimos $x = 0$ y $y=-1$ en la fórmula. Tenemos $x'=-0 = 0$ y $y'=-(-1)=1$.
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$(0,1)$