The midpoint of AB is M(-4,0). If the coordinates of A are (-6,4), what are the coordinates of B?

Question

The midpoint of AB is M(-4,0). If the coordinates of A are (-6,4), what are the
coordinates of B?

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Kim Cúc 3 years 2021-08-28T10:47:55+00:00 1 Answers 14 views 0

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    2021-08-28T10:49:33+00:00

    Answer:

    B (2,4)

    Step-by-step explanation:

    Let coordinates of B be (x,y)

    ( \frac{ - 6+ x}{2} . \frac{4 + y}{2} ) = (  - 4.0) \\ x = 2( - 4) + 6 \\ x =  - 2 \\  \\ y = 2(0) - 4 \\ y =  - 4

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