How do you find the value of a given the points (8,-2), (5,a) with a distance of 3?

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How do you find the value of a given the points (8,-2), (5,a) with a distance of 3?

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Answer 1 · 2017-04-26T11:42:59

# a=-2#

Explanation:

distance d between two points # (x_1,y_1) and (x_2,y_2)# is given by : # d = sqrt((x_2-x_1)^2 + (y_2-y_1)^2) #
substitute the values in this formula :
# 9 = (5-8)^2 + (a+2)^2 #
# a=-2#

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How do you find the value of a given the points (8,-2), (5,a) with a distance of 3?

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