Answer:
a) 5
Step-by-step explanation:
Graphically, b - a can be represented by placing a vector of the same magnitude of a but opposite orientation at the end of vector b. Let's call this vector -a. |b-a| will be the vector that share origin with b and end with -a. The minimum value that the magnitude of |b-a| can have will occur when -a have the same direction of b but opposite orientation, and the maximum value when -a have the same direction and orientation. Mathematically, this would be:
|b-a|min = 12 - 5 = 7
|b-a|max = 12 - (-5) = 17
Notice that 5 is the only option that is not in this range, so the answer is a.
(0,4) (0,-2) (-2,0)
for the reflection over the x-axis, all the y values go to their opposite (0,-4) (0,2) (2,0)
then at the rotation it goes (-x,-y) and becomes (0,4) (0,-2) (-2,0)
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3a=11-2
3a=9
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9/3=3
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A=3
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Not sure on the second one.
Just find the one that goes in a straight line and starts at the middle