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Sagot :
Answer:
11/2,-9/2
Step-by-step explanation:
M=(x1+x2)/2 , (y1+y2)/2
M=(3+8)/2 , (-4+(-5))/2
M=11/2 , -9/2
Answer:
- B(-2, -3)
Step-by-step explanation:
Points given:
- M(3, -4) - midpoint
- A(8, -5) - endpoint
- B(x, y) - endpoint
Use midpoint formula to find the coordinates of B:
- x = (x1 + x2)/2, y = (y1+ y2)/2
Substitute known values and solve for x and y:
- 3 = (8 + x)/2 ⇒ 6 = 8 + x ⇒ x = 6 - 8 ⇒ x = -2
- -4 = (-5 + y)/2 ⇒ -8 = -5 + y ⇒ y = -8 + 5 ⇒ y = -3
Point B is:
- (-2, -3)
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