Show your work and give reasons for you answers on all of
the following problems.
No calculators, books or notes are allowed.
Practice 3.1
Find a vector equation, parametric equations
and symmetric equations for the line passing through the point
Po(-5,-3,-4) and parallel to
the vector v = < 2,-5,-2 > .
Find a vector equation, parametric equations
and symmetric equations for the line passing through the two points
P(-1,-4,3) and
Q(4,-1,-5).
Find a vector equation, parametric equations and
symmetric equations for the line that passes through the point
Po(-3,-5,-2) and parallel to
the line L1 with parametric equations
x = 3+(-2)t, y = -5+(-5)t, z = 2+(-3)t, -¥ < t < ¥
the line L2 with vector equation
r = < -3,-6,-4 > +t < 1,-6,2 > , -¥ < t < ¥
the line L3 with symmetric equations
(x-(4))/1 = (y-(3))/-1 = (z-(-1))/2
Find an equation for the plane
through the point
Po(5,3,-4) with a normal vector
n = < 6,4,-3 > .
Find a vector equation, parametric equations and
symmetric equations for
the line that passes through the point
Po(5,0,-4) and is normal to the plane
(-3)x +(-5)y +(4)z = 24
Find an equation for the plane passing through the point
Po(3,2,3 > and parallel to the plane
(-3)x + (-3)y + (6)z = 0
Find an equation for the plane that passes through the point
Po(5,3,-5) and normal to
the line L with parametric equations
x = 2+(2)t, y = 3+(-3)t, z = 4+(2)t, -¥ < t < ¥
Find an equation of the plane that passes through
the points
P(1,-2,3),
Q(-2,5,-1) and
R(1,-3,-4),
Determine whether the following line and plane are parallel.
If they are not, find the point at which they intersect.
x = 0+(-3)t, y = 5+(4)t, z = 3+(-5)t, -¥ < t < ¥
(-2)x+(1)y+(-4)z = -2
For section 11.6:
Review sketches, problems done in class
and problems on the exercise list.
Add problems 39,40,43 and 44 to the exercise list.