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The coordinate of point T are (3,-11). The midpoint of line ST is (3,-9). Find the coordinates of point S

Respuesta :

Trotterjoc

Answer:

(3,-7)

Step-by-step explanation:

Midpoint Formula

(3,-9) = ((3+x)/2 , (-11+x)/2)

Solve for x coordinate

[tex]3 = \frac{3 + x}{2} \\ 6 = 3 + x \\ 3 = x[/tex]

Solve for y coordinate

[tex] - 9 = \frac{ - 11 + x}{2} \\ - 18 = - 11 + x \\ - 7 = y[/tex]

Therefore point s is (3, -7)