Question

Find the coordinates of d if e is the midpoint of CD for C(-3, 4) and E(0, 1).

Answer 1

Answer:

D(3;-2).

Step-by-step explanation:

1)  $X_D=2*X_E-X_C;\\Y_D=2*Y_E-X_C.$

2) according to the formulas above:

$X_D=2*0+3=3;\\Y_D=2*1-4=-2.$

3) finally, D(3;-2).