Answer:
Step-by-step explanation:
Givens
The midpoint formula is (x2 + x1)/2 , (y2 + y1)/2 = x_mid,y_mid
y_mid = 1
x_mid = -1
y2= 4
x2 = 2
Solution
(2 + x1)/2 = -1
(2 + x1) = -1 * 2
2 + x1 = -2
x1 = -2 -2
x1 = - 4
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(4 + y1)/2 = 1
4 + y1 = 2
y1 = 2 - 4
y1 = -2
Answer (-4,-2)