Step-by-step explanation:
<u>Substitute the given values into the expression;</u>

<u>Multiply;</u>

<u>Solve Using PEMDAS;</u>



Step-by-step explanation:





I hope this is right!
B (-3,1) —> B’ (-3,-4)
C (-3,4) —> C’ (-3,-7)
D (2,4) —> D’ (2,-4)
E (2,1) —> E’ (2,-7)