Saturday

February 28, 2015

February 28, 2015

Posted by **hanaya** on Monday, June 10, 2013 at 3:36pm.

- Calculus Grade 12 -
**Steve**, Monday, June 10, 2013 at 4:13pm(B-A)x(C-A) = {-4,3,-6}x{-3,2,-11} = {-21,-26,1}

If D is in the plane of ABC, then (D-A)x(C-A) will also be normal to the plane of ABC. That is,

{-3,k+2,-8}x{-3,2,-11} = {-21,-26,1}

The plane is

21x+26y-z = 26

So,

21+26k+2 = 26

26k = 3

k = 3/26

**Answer this Question**

**Related Questions**

Geometry - 4.Determine which point does not lie on the graph of the line y=x-3 a...

CALCULUS 3 - Use the triple scalar product to determine whether the given points...

Geometry - A circle \Gamma cuts the sides of a equilateral triangle ABC at 6 ...

algebra - (x,y,z)∈R3 are points that lie on the plane x+2y+3z=78, and lie ...

Geometry Honors - You and your friend each draw 3 points. Your points lie in ...

Calculus grade 12 - Determine an equation for the plane that contains the points...

math - Five points lie in the same plane with no three points on the same line. ...

Calculus Grade 12 - determine the coordinates of two points on the plane with ...

Calculus Grade 12 - Without solving , determine the points of intersection of ...

MATHS - Four points lie in a plane. They are partitioned into two pairs so that ...