MATH 3321 EXAM 3 | QUESTIONS AND ANSWERS | 2026 UPDATE | 100% CORRECT – UH.

MATH 3321 EXAM 3 | QUESTIONS AND ANSWERS | 2026 UPDATE | 100%
CORRECT – UH.
wait=-596580, due=1701237600, due2=1701842400 Question number 1.



Your answer was A. Wrong.


⎛1 2 −1 3 ⎞
The augmented matrix for a system of linear equations is ⎜ 0 1 −6 8 ⎟ . Determine the value(s) of k for which the
⎝2 3 k2 k ⎠
system has no solutions:


A k ≠ 2, k ≠ −2

B k=2

C k≠2

D k = 2, k = −2

E k = −2

F None of the above.




Question number 2.




Your answer was C. Correct.



(−42 −4 ) , and C = (72 ) , let D = AB − 2C. Find the entry d
Given the matrices

) , B = (51
−2 −3 5
A= −3 −2 1,3
.
3 −3 2 3

A 11

B −23

C 7

D 8
https://www.stuvia.com/user/mboffin 1/8

, E d1,3 is not defined




https://www.stuvia.com/user/mboffin 2/8