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fenix001 [56]
3 years ago
8

Can someone help me with this. Will Mark brainliest.

Mathematics
2 answers:
Aneli [31]3 years ago
7 0

Step-by-step explanation:

(-2,1), (-7,2)

y ^{2}  - y ^{1}   \\ x ^{2}  - x ^{1}

y ^{2}  =  - 7

y ^{1}  = 1

x ^{2}  = 2

x^{1}  =  - 2

m =   \frac{ - 7 -( 1)}{2 - ( - 2)?}

m =  \frac{ - 8}{4?}

m =  - 2

I only know how to find the slope.

pochemuha3 years ago
3 0

Answer:

Step-by-step explanation:

Coordinates of B is (3,-4)

You multiply -2 by 2 to get -4 and then create the equation  then you substitue -7 for +7 and add +7 to -4 which gives you 3 (x coordinate of B)

You multiply -1 by 2 to get -2 and then create the equation then you subtract 2 by -2 which gives you -4 (y coordinate of B)

To check your answer use the midpoint formula  

  which will give you the midpoint (-2,-1)

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