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Initial point is your A. The terminal point is the B.

Initial point is your A. The terminal point is the B.

Subtract the -9- (-2) to equal -7. Subtract the -1-7 to equal -8.

Subtract the -9- (-2) to equal -7. Subtract the -1-7 to equal -8.

Square your a and your b and then add them together. This gives you your resulting magnitude of the square root of 113.

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