CD has endpoints C and D, with C at coordinates (5,8). CD has midpoint M at (3,9).

What are the coordinates of point D?

I thought it was (1, 10) but apparently it's not

4 answers

(1,10) is correct.
it keeps saying it's incorrect though im confused
even texts and online tests have mistakes.
Better take it up with your teacher.
yeah i figured it out they told me to input it one way so i did but they actually had it set it to input a different way than what was said