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
The sum 110112, 11112 and 10m10n02. Find the value of m and n. ...
Solve the following simultaneous equation for x. x2 + y - 5 = 0, y - 7x + 3 = 0...
Find the value of x in the figure above ...
Factorize completely: 6ax - 12by - 9ay + 8bx ...
Simplify 2.04 × 3.7 (Leave your answer in 2 decimal place) ...
The height of an equilateral triangle of side is 10 3√ cm. calculate its perimeter. ...
The expression x3 - 4x2 + cx + d is such that x + 1 is its factor, and its value is 1...