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Mathematics 10 Online
OpenStudy (anonymous):

The vertices of triangle WXY have coordinates W(3, 2), X(5, 5), and Y(7, 3). Triangle WXY was transformed to produce triangle WꞌXꞌYꞌ, with coordinates Wꞌ(−2, −1) and Yꞌ(2, 0). What are the coordinates of vertex Xꞌ? ( , ) WILL FAN AND GIVE A MEDAL

OpenStudy (bloomlocke367):

is that supposed to ask what are the coordinates of vertex X'?

OpenStudy (bloomlocke367):

nevermind.... I see it now XD

OpenStudy (bloomlocke367):

do you have graph paper? this will be really easy if you do.

OpenStudy (anonymous):

No sorry

OpenStudy (bloomlocke367):

okay... that's okay. do you know the distance formula?

OpenStudy (anonymous):

no

OpenStudy (anonymous):

sup

OpenStudy (bloomlocke367):

\[d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\] you can choose either points W and W' or Y and Y' to find out the distance between the points.

OpenStudy (anonymous):

ok

OpenStudy (bloomlocke367):

are you going to pick?

OpenStudy (anonymous):

w

OpenStudy (bloomlocke367):

okay... so \[d=\sqrt{(-2-3)^2+(-1-2)^2}\] do you see how I got those?

OpenStudy (anonymous):

yes

OpenStudy (bloomlocke367):

now solve what's in the parentheses first

OpenStudy (anonymous):

_1

OpenStudy (bloomlocke367):

?.. you should get \[d=\sqrt{(-5)^2+(-3)^2}\]

OpenStudy (anonymous):

that the answer ? @BloomLocke367

OpenStudy (bloomlocke367):

no... what's \(-5^2\) and \(-3^2\)?

OpenStudy (anonymous):

look at point w and w dash how has x and y changed ? 5 left -3 down do the same to x x (5-5) =0 y(5-3) 2 the new x is (0,2)

OpenStudy (anonymous):

ohh I see i really suck at math

OpenStudy (bloomlocke367):

it's okay.. we're here to help

OpenStudy (bloomlocke367):

\(\bbox[5pt, lime, border:dashed black 5pt]{\huge\mathbb{\color{purple}{Welcome to OpenStudy!!!!!}}}\)

OpenStudy (bloomlocke367):

do you still need help, or did @jamaica25 help you?

OpenStudy (anonymous):

no thank yall but i have a few more could you help me with ?

OpenStudy (bloomlocke367):

sure.... just be sure to open a new question XD

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