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he66666
 5 years ago
Vectors: Sketching planes in 3D space?
How do you sketch 3x4z12=0? I know xintercept is 4 and zint is 3 but I get confused on how to draw the plane when zintercept is a negative. Can somebody please help me?
he66666
 5 years ago
Vectors: Sketching planes in 3D space? How do you sketch 3x4z12=0? I know xintercept is 4 and zint is 3 but I get confused on how to draw the plane when zintercept is a negative. Can somebody please help me?

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mathteacher1729
 5 years ago
Best ResponseYou've already chosen the best response.0Drawing these by hands can be tricky. How do you feel with sketching planes with positive intercepts?

he66666
 5 years ago
Best ResponseYou've already chosen the best response.0i can draw them with positive intercepts.. it's just that negative zintercepts confuse me somehow :S

mathteacher1729
 5 years ago
Best ResponseYou've already chosen the best response.0Here's a quick sketch. Lemmie know if this helps.

mathteacher1729
 5 years ago
Best ResponseYou've already chosen the best response.0There's another. Basically sketch it in the xz plane and then "stretch" it back in the y direction. We choose xz because we know where the intercepts are.

he66666
 5 years ago
Best ResponseYou've already chosen the best response.0How do you "read" the graph? I'm only used to xyz graphs (like the actual bar graphs)
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