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Mathematics 15 Online
OpenStudy (anonymous):

What is the distance between P(3, -2) and Q(-5, -2)?

Directrix (directrix):

See the formula below.

OpenStudy (anonymous):

use distance formula \[hugesqrt{( x_2-x_1)^2 + (y_2-y_1)^2}\]

OpenStudy (anonymous):

(-2+2)^2+(-5-3)^2=64

OpenStudy (anonymous):

square root of 64=8

OpenStudy (anonymous):

hence 8

OpenStudy (anonymous):

Sorry I was working it out. But thank you.

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