Mathematics, 30.01.2020 12:59 Sawyer4648
Ireally need with these questions.. even if you can only answer one anything ! will give points and mark for smartest
1. evaluate the determinant for the following matrix:
below is all in one bracket
-4 -4 -3
3 3 -5
-5 2 -5
answer choices
a. β152
b. β203
c. 75
d. β263
2.
complete the multiplication: ab.
all sets of numbers are within a bracket.
a = 3 0 b= 2 8
2 -1 6 3
a. 6 0
1.2 -3
b. 6 24
3.4 5
c. 22 -8
7.8 -3
d. 6 24
3.4 13
3. is in the 1st picture
4.use gauss-jordan elimination to solve the following linear system:
β3x + 4y = β6
5x β y = 10
a. (β6,2)
b. (2,β5)
c. (2,2)
d. (2,0)
5. if you were to use gauss-jordan elimination on the following linear system, what would the augmented matrix be? [ you can refer to second picture for 4 multiple choice answers ]
3w β x = 2y + z β 4
9x β y + z = 10
4w + 3y β z = 7
12x + 17 = 2y β z + 6
6. refer to 3rd photo
Answers: 3
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