QUESTION IMAGE
Question
- draw a point a= (-5, 6)
- draw a point b = (3, 1)
- draw a line from a to b
- what is the x value change from a to b? (x2 - x1)
( )
- what is the y value change? from a to b?(y2 - y1)
( )
- what is the length of line ab
distance ab = √((x2 - x1)² + (y2 - y1)²) =
( )
Step1: Identificar valores de x
Sean $x_1=-5$ (coordenada x de A) y $x_2 = 3$ (coordenada x de B). Calculamos la diferencia $x_2 - x_1=3-(-5)=8$.
Step2: Identificar valores de y
Sean $y_1 = 6$ (coordenada y de A) y $y_2=1$ (coordenada y de B). Calculamos la diferencia $y_2 - y_1=1 - 6=-5$.
Step3: Calcular longitud de AB
Usamos la fórmula $d=\sqrt{(x_2 - x_1)^2+(y_2 - y_1)^2}$. Sustituyendo $x_2 - x_1 = 8$ y $y_2 - y_1=-5$, tenemos $d=\sqrt{8^2+(-5)^2}=\sqrt{64 + 25}=\sqrt{89}$.
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- 8
- -5
- $\sqrt{89}$