What is the length of a line segment with endpoint M at (-7, 1) and endpoint N at (3, 4)?
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a line MN
pt M(-7,1) and N(3,4)
by distance formula
MN=underoot (x2-x1)^2+(y2-y1)^2
MN=underoot (3+7)^2+(4-1)^2
MN=underoot 10^2+3^2
MN=underoot 100+9
MN=underoot 109
MN=10.44
therefore the length of MN is 10.44
a line MN
pt M(-7,1) and N(3,4)
by distance formula
MN=underoot (x2-x1)^2+(y2-y1)^2
MN=underoot (3+7)^2+(4-1)^2
MN=underoot 10^2+3^2
MN=underoot 100+9
MN=underoot 109
MN=10.44
therefore the length of MN is 10.44
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