If M and N are the points (-3, 8) and (5, -7) respectivel...
If M and N are the points (-3, 8) and (5, -7) respectively, find |MN|
8 units
11 units
15 units
17 units
Correct answer is D
|MN| = √(x1−x2)2+(y1−y2)2
= √(−3−5)2+(8−7)2
= √(−8)2+(8+7)2
= √64+(15)2
= √64+225
= √289
= 17 units
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