point

P

and vector

v

. Let

L

be the line passing through point

P

with direction

v

.\

P(1,-8,9),v=(:1,8,9:)

\ (a) Find parametric equations of line L. (Enter your answers as a comma-separated list of equations. Use

t

as the independent variable.)\ (b) Find symmetric equations of line

L

.\

(x-1)/(1)=(y+8)/(8)=(z-9)/(9)

\

(x+1)/(1)=(y+8)/(8)=(z+9)/(9)

\

(x-1)/(1)=(y-8)/(8)=(z-9)/(9)

\

(x-1)/(1)=(y-8)/(8)=(z+9)/(9)

\

(x+1)/(1)=(y+8)/(8)=(z-9)/(9)

\ (c) Find the intersection of the line with the

xy

-plane. (If an answer does not exist, enter DNE.)\

(x,y,z)=([],[x])

point P and vector v. Let L be the line passing through point P with direction v. P(1,8,9),v=1,8,9) (a) Find parametric equations of line L. (Enter your answers as a comma-separated list of equations. Use t as the independent variable.) x=1+t,y=8+8t,z=9+9t (b) Find symmetric equations of line L. 1x1=8y+8=9z91x+1=8y+8=9z+9 1x1=8y8=9z91x1=8y8=9z+91x+1=8y+8=9z9 (c) Find the intersection of the line with the xy-plane. (If an answer does not exist, enter DNE.) (x,y,z)=(x)