## frx Group Title What is the shortest distance from the point (x,y,z) to (a) the xy-plane (b) the x-axis? Could someone please explain this one, maybe with a (x,y,z) graph if possible? one year ago one year ago

1. frx Group Title

|dw:1359041022174:dw|

2. frx Group Title

That's what I think of (a), shouldn't that be somewhat correct? Just get rid of the z and you're on the xy-plane

3. sirm3d Group Title

$\Huge \color{blue}\checkmark$

4. frx Group Title

|dw:1359041443154:dw|

5. frx Group Title

Shouldn't that be the shortest lenght to x?

6. sirm3d Group Title

|dw:1359041552842:dw|use pythagorean theorem

7. frx Group Title

$\sqrt{y ^{2}+z ^{2}}$

8. sirm3d Group Title

right again.

9. frx Group Title

Great, having some trouble imagining three dimentions but seems like I'm starting to grasp it

10. frx Group Title

Thank you for the help!

11. sirm3d Group Title

yw