On a coordinate plane, how are the locations of the points (1 , -7) and (1 , 7) related? A.
reflection across the y-axis
B.
reflection across both axes
C.
locations unrelated
D.
reflection across the x-axis
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D. Reflection across x-axis

Step-by-step explanation:

When plotting the two points & then connecting the dots, it will not touch y-axis at all - it will be straight line and cross x axis

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

54.864 meters

step-by-step explanation: