Help me please im failing and I only have 5 minutes how The graph compares the number of weeks that have passed, x, and the numb
er of tennis coaching sessions Peter has taken, y. Which equation represents the relationship between x and y?
A.y= -3x + 1/3
B.y= 1/3x - 3
C.y=1/3x + 3
D.y=3x - 9
A.y= -3x + 1/3
B.y= 1/3x - 3
C.y=1/3x + 3
D.y=3x - 9
2 answers:
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Answer: Choice B)
We have some value m and we're squaring it to get
To undo this and isolate m, we apply the square root to both sides
There are two solutions here. This is similar to how there are two solutions in something like (those two solutions being x = 5 and x = -5). Squaring any negative number leads to a positive result because
negative times negative = positive.