Given directed line segment CD, if point E divides CD three-fourths of the way from C to D. find the coordinates of E. then plot E.C (1,6) D (-3, -4)

Respuesta :

Given the line segment CD, point E divides CD three-fourths of the way from C to D

If you graph segment CD and divide it in four, count starting from C three cuarters and you'll get the location of point E

To calculate the coordinates of E, first you have to determine the distance between points C and D.

C (1,6) D (-3, -4)

Distance over the x-axis:

[tex]x_C-x_D=1-(-3)=4[/tex]

Multiply it by 3/4

[tex]4\cdot\frac{3}{4}=3[/tex]

The x-coordinate of Point E

Subtract the calculated distance to the x-coordinate of point C

[tex]\begin{gathered} x_{E=}x_C-3=1-3 \\ x_E=3-2 \end{gathered}[/tex]

Distance over the y-axis:

[tex]y_C-y_D=6-(-4)=10[/tex]

Multiply it by 3/4 to determine the distance of E over the y-axis

[tex]10\cdot\frac{3}{4}=\frac{15}{2}[/tex]

Subtract it to the y-coordinate of C to determine the coordinate of E

[tex]\begin{gathered} y_E=y_C-\frac{15}{2}=6-\frac{15}{2} \\ y_E=-\frac{3}{2} \end{gathered}[/tex]

Point E is in coordinates (-2,-3/2)

Ver imagen AnnabellG62045
Ver imagen AnnabellG62045
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