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Ashley1nOnly
 one year ago
give a geometric description of the set of points in space whose coordinates satisfy the given pairs of equations.
Ashley1nOnly
 one year ago
give a geometric description of the set of points in space whose coordinates satisfy the given pairs of equations.

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Ashley1nOnly
 one year ago
Best ResponseYou've already chosen the best response.0x=2 y=3 y=0 z=0 x^2+y^2=4 z= 0

Ashley1nOnly
 one year ago
Best ResponseYou've already chosen the best response.0What is it exactly asking me to do?

DDCamp
 one year ago
Best ResponseYou've already chosen the best response.1For the first problem, how would you describe (in 3D space) the set of all points (x,y,z) where x=2 and y=3?

Ashley1nOnly
 one year ago
Best ResponseYou've already chosen the best response.0It would be in the xy plane

DDCamp
 one year ago
Best ResponseYou've already chosen the best response.1Would it? If x=2 and y=3 are the only requirements, then couldn't z be anything?

Ashley1nOnly
 one year ago
Best ResponseYou've already chosen the best response.0It would be in the xy plane perpendicular to the z

DDCamp
 one year ago
Best ResponseYou've already chosen the best response.1Here's what the point (2,3,0) would look like, right? dw:1440633913751:dw

DDCamp
 one year ago
Best ResponseYou've already chosen the best response.1And here's x=2, y=3, z=anything dw:1440634022753:dw

Ashley1nOnly
 one year ago
Best ResponseYou've already chosen the best response.0So it would be in the xyz plane?

DDCamp
 one year ago
Best ResponseYou've already chosen the best response.1All three of the problems are in 3D space (not necessarily in a single "plane"). I think what they're looking for in the first one is: "A line perpendicular to the xyplane at x=2, y=3"

Ashley1nOnly
 one year ago
Best ResponseYou've already chosen the best response.0The line through (2,3,0) is parallel to the zaxis

triciaal
 one year ago
Best ResponseYou've already chosen the best response.0@DDCamp why wouldn't it just be a line segment origin to point (2,3)

Ashley1nOnly
 one year ago
Best ResponseYou've already chosen the best response.0How did they get that

DDCamp
 one year ago
Best ResponseYou've already chosen the best response.1@Ashley1nOnly It is parallel to the zaxis, but the zaxis is perpendicular to the xyplane. It's two ways of saying the same thing.

DDCamp
 one year ago
Best ResponseYou've already chosen the best response.1@triciaal The problem says "set of points in space whose coordinates satisfy the given pairs of equations." The points on the line segment you described don't satisfy the conditions that x=2 and y=3.

triciaal
 one year ago
Best ResponseYou've already chosen the best response.0of course it does (2,3,0) (x,y,z)

Ashley1nOnly
 one year ago
Best ResponseYou've already chosen the best response.0The line through (2,3,0) is parallel to the zaxis was the answer. How is it parallel to the zaxis, it looks perpendicular

Ashley1nOnly
 one year ago
Best ResponseYou've already chosen the best response.0So it in the xy plane and its parallel to the z axis

Ashley1nOnly
 one year ago
Best ResponseYou've already chosen the best response.0The next one is it on the x plane?

Ashley1nOnly
 one year ago
Best ResponseYou've already chosen the best response.0the last one a circle in the xy plane
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