What is the pre-image of vertex a' if the image shown on the graph was created by a reflection across the y-axis? (–8, –6) (–6, 8) (8, 6) (6, –8)

Step-by-step explanation:

Its B (-6,8)

add 5 subtract 1

step-by-step explanation:

5x+40

5(x + 8)

7x - 49

7(x - 7)

18x + 9

9(2x + 1)

15x - 10

5(3x - 2)

step-by-step explanation:

for number one all you have to do is factor 5 out of 5x + 40

for number 2 factor 7 out of 7x - 49

for number three factor 9 out of 18x + 9

for number four factor 5 out of 15x - 10