Answer:
D. ABCD is rotated 180° around the origin
Step-by-step explanation:
The formula for an 180° rotation around the origin is (-x, -y).
k= -9
2k-3=9k+63-3 [expand the 9(k+7) first]
2k-9k=63-3+3 [put the like terms together]
-7k=63 [do the simple math]
k= 63 ÷ by -7
k=-9
Answer: 6√2
Decimal Form:
8.48528137
