julissarodz245 julissarodz245

23-10-2020
Mathematics

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The midpoint of AB is M (0,-3). If the coordinates of A are (2,1), what are the coordinates of B?

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s384811 s384811

23-10-2020

Answer:

(-2, -7)

Step-by-step explanation:

For the x-coordinate:

[tex](2+x)/2=0\\x=-2[/tex]

For the y-coordinate

[tex](1+y)/2=-3\\y=-7[/tex]

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