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Mathematics 14 Online
OpenStudy (highschoolmom2010):

A manufacturer is designing a two-wheeled cart that can maneuver through tight spaces. On one test model, the wheel placement (center) and radius is modeled by the equation (x + 1.5)^2 + (y + 1)^2 = 9. What is the graph that shows the position and radius of the wheels? (see attached graphs)

OpenStudy (highschoolmom2010):

OpenStudy (rational):

identify the "center of circle" first

OpenStudy (rational):

from the given equation

OpenStudy (highschoolmom2010):

(-1.5,-1)

OpenStudy (rational):

yes, look at the graph now. oly one graph has that center

OpenStudy (rational):

and thats ur answer

OpenStudy (highschoolmom2010):

the graph i labeled a im assuming

OpenStudy (rational):

are you saying graph A is the right answer ?

OpenStudy (highschoolmom2010):

that graph looks like it has a center (-1.5,-1)

OpenStudy (highschoolmom2010):

so yes

OpenStudy (rational):

thats right ! good job !!

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