3. Which of the following does not represent a plane? = a. (2, = b. (2, 1, 5) + s(2, -1,3) + t(−1, 1, −2), s, t€ R 1, 5) + s(1, 2, 4) + t(4,6,8), s,t & R c. r = (2, −1, 5) + s(4, −2, 2) + t(−2, 1, −1), s,t e R d. r = (2, −1, 5) + s(2, −1, 5) + t(2, −1, −5), s,t e R 4. Which of the following is not parallel to the other three? x+6 y-5 Z+2 a. b. 1 x-7 = = -3 2 y+4 Z+1 3 -9 - c. x = −2t + 7, y = 6t − 3, z = −4t +7, t e R d. r = (−8, −3, 1) + s(2, 1, −3), s e R

Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter10: Analytic Geometry
Section10.CT: Test
Problem 22CT
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Pls help ASAP. Pls show all work and steps. Pls circle the final answer.

3. Which of the following does not represent a plane?
=
a. (2,
=
b. (2,
1, 5) + s(2, -1,3) + t(−1, 1, −2), s, t€ R
1, 5) + s(1, 2, 4) + t(4,6,8), s,t & R
c. r = (2, −1, 5) + s(4, −2, 2) + t(−2, 1, −1), s,t e R
d. r = (2, −1, 5) + s(2, −1, 5) + t(2, −1, −5), s,t e R
4. Which of the following is not parallel to the other three?
x+6 y-5 Z+2
a.
b.
1
x-7
=
=
-3
2
y+4
Z+1
3
-9
-
c. x = −2t + 7, y = 6t − 3, z = −4t +7, t e R
d. r = (−8, −3, 1) + s(2, 1, −3), s e R
Transcribed Image Text:3. Which of the following does not represent a plane? = a. (2, = b. (2, 1, 5) + s(2, -1,3) + t(−1, 1, −2), s, t€ R 1, 5) + s(1, 2, 4) + t(4,6,8), s,t & R c. r = (2, −1, 5) + s(4, −2, 2) + t(−2, 1, −1), s,t e R d. r = (2, −1, 5) + s(2, −1, 5) + t(2, −1, −5), s,t e R 4. Which of the following is not parallel to the other three? x+6 y-5 Z+2 a. b. 1 x-7 = = -3 2 y+4 Z+1 3 -9 - c. x = −2t + 7, y = 6t − 3, z = −4t +7, t e R d. r = (−8, −3, 1) + s(2, 1, −3), s e R
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