QUESTION IMAGE
Question
- a grid shows the positions of a subway stop and your house. the subway stop is located at (7, -7) and your house is located at (-3, 3). what is the distance, to the nearest unit, between your house and the subway stop?
14
11
19
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Step1: Identificar la fórmula de distancia
La fórmula de distancia entre dos puntos $(x_1,y_1)$ y $(x_2,y_2)$ es $d = \sqrt{(x_2 - x_1)^2+(y_2 - y_1)^2}$. Aquí, $(x_1,y_1)=(7,-7)$ y $(x_2,y_2)=(-3,3)$.
Step2: Calcular las diferencias
$x_2 - x_1=-3 - 7=-10$ y $y_2 - y_1=3-(-7)=3 + 7 = 10$.
Step3: Calcular los cuadrados
$(x_2 - x_1)^2=(-10)^2 = 100$ y $(y_2 - y_1)^2=10^2 = 100$.
Step4: Sumar los cuadrados
$(x_2 - x_1)^2+(y_2 - y_1)^2=100 + 100=200$.
Step5: Calcular la raíz cuadrada
$d=\sqrt{200}\approx14.14$.
Step6: Redondear al entero más cercano
Redondeando 14.14 al entero más cercano, obtenemos 14.
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