Answer:
Coordinate of Point A is (-11, 15)
Step-by-step explanation:
M -- (-3, 7)
B -- (5, -1)
Therefore, (5 + x)/2 = -3
x = -11
(-1 + y)/2 = 7
y = 15
Therefore Point A is (-11, 15)
Solution given;
mid point (x,y)=(-3,7)
coordinate of B(x1,y1)=(5,-1)
coordinate of A(x2,y2)=(a,b)
we have
midpoint (x,y)={(x1+x2)/2,(y1+y2)/2}
(-3,7)={(a+5)/2,(b-1)/2}
equating corresponding value
(a+5)/2=-3
a+5=-6
a=-6-5
a=-11
again
7=(b-1)/2
b-1=14
b=14+1
b=15
So
<u>coordinate of the point </u><u>A</u><u> </u><u>i</u><u>s</u><u> </u><u>(</u><u>-</u><u>1</u><u>1</u><u>,</u><u>1</u><u>5</u><u>)</u><u>.</u>
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Answer: did you ever get the answer?
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