Answer:
-56
Step-by-step explanation:
Formula to get determinant is::
0(0)-8(7)
0 - 56
-56
OPTIONS ARE: f(x)= 6 , f(x)= -5 , f(x)= -12 , f(x)= 1
1 answer:
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To solve this, we just need to find the distance between the points A and B in the number line, and then, divide that distance by 2.
Remember that the distance formula between tow point in the number line is:
From our point we can infer that
and 
, so lets replace the values:
Now, to find the coordinate of the midpoint, we just need to divide that distance by 2:
We can conclude that the coordinate of the point M, the midpoint of AB, is 4
Remember that the distance formula between tow point in the number line is:
From our point we can infer that
Now, to find the coordinate of the midpoint, we just need to divide that distance by 2:
We can conclude that the coordinate of the point M, the midpoint of AB, is 4