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Question
question 1 - 13 point a has coordinates (1,2). point b has coordinates (9,6). find the coordinates of point p that partitions ab in the ratio 1:3. the x - coordinate of point p is (note: type your answer with no spaces) the y - coordinate of point p is (note: type your answer with no spaces)
Step1: Usar fórmula de coordenadas de punto de partición
La fórmula para encontrar las coordenadas $x$ e $y$ de un punto $P(x,y)$ que divide el segmento de recta entre $A(x_1,y_1)$ y $B(x_2,y_2)$ en la razón $m:n$ es $x=\frac{mx_2+nx_1}{m + n}$ y $y=\frac{my_2+ny_1}{m + n}$. Aquí $x_1 = 1,y_1=2,x_2 = 9,y_2 = 6,m = 1,n = 3$.
Step2: Calcular la coordenada $x$ de $P$
$x=\frac{1\times9+3\times1}{1 + 3}=\frac{9 + 3}{4}=\frac{12}{4}=3$.
Step3: Calcular la coordenada $y$ de $P$
$y=\frac{1\times6+3\times2}{1 + 3}=\frac{6+6}{4}=\frac{12}{4}=3$.
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