Segment JK has coordinates J(3, –6) and K(–3, 2). When segment JK is dilated with a scale factor –4, what are the coordinates of J' and K'?

A ) J'(–1, –10) and K'(–7, –2)
B ) J'(7, –2) and K'(1, 6)
C ) J'(–3/4, 3/2) and K'(3/4, –1/2)
D ) J'(–12, 24) and K'(12, –8)

Question

Segment JK has coordinates J(3, –6) and K(–3, 2). When segment JK is dilated with a scale factor –4, what are the coordinates of J' and K'?      

A ) J'(–1, –10) and K'(–7, –2) 
B ) J'(7, –2) and K'(1, 6)
C ) J'(–3/4, 3/2) and K'(3/4, –1/2)
D ) J'(–12, 24) and K'(12, –8)

astrophysics · Answer

Multiply both coordinates by -4.

anonymous · Answer

so its J'(–12, 24) and K'(12, –8)?

astrophysics · Answer

Yes