QUESTION IMAGE
Question
- what is the distance between point a(1, 8) and b(4, 2)? recall (d = sqrt{(x_2 - x_1)^2+(y_2 - y_1)^2})
Step1: Identificar los valores de coordenadas
Sean $(x_1,y_1)=(1,9)$ y $(x_2,y_2)=(4,2)$.
Step2: Sustituir en la fórmula de distancia
$d = \sqrt{(x_2 - x_1)^2+(y_2 - y_1)^2}=\sqrt{(4 - 1)^2+(2 - 9)^2}$.
Step3: Calcular los valores dentro de la raíz
$\sqrt{(4 - 1)^2+(2 - 9)^2}=\sqrt{3^2+( - 7)^2}=\sqrt{9 + 49}=\sqrt{58}$.
Step4: Redondear (si es necesario)
$\sqrt{58}\approx7.616$.
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7.616