Error Analysis: Which statement best describes the error in finding the distance between the points (7,5) and (-2, 1)?
AB = V(202 – 21)2 + (y2 – yı)?
AB 117 - 5)2 +(-2 - 1)
AB=
22+(-3)
AB = 14 + 9
AB = V13
AB 3.6
The formula is incorrect.
There is an error identifying the 2- and y-values to subtract.
There is a subtraction error.
The square root was calculated incorrectly.