jacksonworthington05 jacksonworthington05

08-06-2021
Mathematics

contestada

Find y if the distance between
points P and R is 25 and point R
is located in the first quadrant.
p= (3,-18) r=(10,y)

Find y if the distance between points P and R is 25 and point R is located in the first quadrant p 318 r10y class=

Respuesta :

tankisfun97 tankisfun97

08-06-2021

Answer:

y = 6

Step-by-step explanation:

[tex]\sqrt{(10-3)^2 + (y+18)^2} = 25 \\ 49 + y^2 + 324 + 36y = 625 \\[/tex]

y^2 + 36y - 252 = 0

(y-6)(y+42) = 0

y = 6 (accettable)

y = -42 (not accettable)

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