rebekahsipinga rebekahsipinga

04-09-2020
Mathematics

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if the midpoint of ST is (5, -8),what is S if T is (1, 12)?

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jay40891 jay40891

04-09-2020

Answer:

(9, -28)

Step-by-step explanation:

Let S be (x,y)

[tex]( \frac{x + 1}{2} . \frac{y + 12}{2} ) = (5. - 8) \\ x = 5(2) - 1 = 9 \\ y = - 8(2) - 12 = - 28[/tex]

Therefore, S is (9, -28)

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