Which point would be reflected across the y-axis to (-3,-9) A. (-3,9)
B. (3,-9)
C. (-9,3)
D. (9,-3)

b

Step-by-step explanation:

when an reflected across the y axis only the x value changes and it changes negatively

r(0,90)(x,y) . t(-5,0)

last option

step-by-step explanation:

∆def to ∆d"e"f"

- rotate 90 counterclockwise degrees

- then translated 5 to the left (x --> x - 5)

answer is the last option

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