9.5 Distance from a point to a line in R^2 and R^3 Flashcards
how to calculate the distance between parallel lines in vector equation form?
- write the point from one of the planes and call it A
- write the parametric equations of the other plane
- make the parametric equation into a point and call it C
4.find the direction vector of AC
- calculate the dot product of AC and the direction vector and solve for t
- determine point C by plugging in the t value
- calculate the distance between point A and C
how to calculate the distance between two lines in vector equation form
- write the parametric equations of the other plane
- write the point from one of the planes and call it A
- make the parametric equation into a point and call it C
4.find the direction vector of AC
- calculate the dot product of AC and the direction vector and solve for t
- determine point C by plugging in the t value
- calculate the distance between point A and C
what is the distance between two points formula?
d=square root (x2-x1)^2+(y2-y1)^2+(z2-z1)^
how to calculate the distance between two parallel planes?
- find a point in one of the planes
2.Use the point, the other plane and the distance between a point and a plane equation to find the distance
what is the distance between a point and a plane equation?
d=|Axo+Byo+C|/square root A^2+B^2
How to calculate the distance between a point and line in vector equation form?
- Label the point given as point P
- Label the point in the vector equation as point Q
- Find the direction vector of PQ
- Label the direction vector in the vector equation as M
- Find the cross product of direction M and PQ
- Use the formula of the distance between a point and a line to find the distance
How to determine the coordinates of a point on the line in vector equation form that produces the shortest distance between the line and a point?
- Label the point given A
- Write the parametric equations of the vector equation
- make the parametric equation into a point and call it C
- find the direction vector of AC
- calculate the dot product of AC and the direction vector and solve for t
- determine point C by plugging in the t value. the C point is the answer
what is the distance between a point and a line equation?
d=|m X QP|/|m|
how to calculate the distance between two parallel lines in vector equation form?
same steps as finding the distance between two lines vector equation form
- write the point from one of the planes and call it A
- write the parametric equations of the other plane
- make the parametric equation into a point and call it C
4.find the direction vector of AC - calculate the dot product of AC and the direction vector and solve for t
- determine point C by plugging in the t value
- calculate the distance between point A and C