Show that vectors are parallel or points are collinear

Question 1

Is 3a − 15b parallel to a − 5b?

• A. Yes
• B. No

Question 2

The vector (−8, m) is parallel to (−2, −1). Find m.

Answer 

Question 3

Is −15a − 12b parallel to −5a − 4b?

• A. Yes
• B. No

Question 4

The vector (−10, m) is parallel to (5, −2). Find m.

Answer 

Question 5

Is −20a + 16b parallel to −5a + 4b?

• A. Yes
• B. No

Question 6

The vector (2, m) is parallel to (−1, 3). Find m.

Answer 

Question 7

Is −8a + 11b parallel to −4a + 5b?

• A. Yes
• B. No

Question 8

The vector (−3, m) is parallel to (−1, −6). Find m.

Answer 

Question 9

Is −6a + 12b parallel to −2a + 4b?

• A. Yes
• B. No

Question 10

The vector (9, m) is parallel to (3, −2). Find m.

Answer 

Question 11

Is 12a + 5b parallel to 4a + b?

• A. Yes
• B. No

Question 12

The vector (3, m) is parallel to (1, −4). Find m.

Answer 

Question 13

Is −12a − 3b parallel to 4a + b?

• A. Yes
• B. No

Question 14

The vector (3, m) is parallel to (1, −6). Find m.

Answer 

Question 15

Is −4a − 8b parallel to −a − 2b?

• A. Yes
• B. No

Question 16

The vector (12, m) is parallel to (4, −5). Find m.

Answer