Compute the sum of A = 85 63 and B = 2a -3c-8d 4b ... possible A+B= (Simplify your answer. Type an expression for each matrix element. Use integers or fractions for any numbers in the expression.) S Nex

For the matrices A and B, find (a) 3A, (b) −B, and (c) 3A − B.

State the next elementary row operation that should be performed in order to put the matrix into diagonal form. [::] 1 8 -2 0 4 - 3 Do not perform the operation.

Which of the following matrix multiplications would be possible to do? Select one: a. a 5x6 matrix with a 6 x 3 matrix b. a 2 x 2 matrix with a 3 x3 matrix С. a 5x3 matrix with a 3 x 3 matrix d. a 4x3 matrix with a 3 x 3 matrix

Please select abc or d

Let A and B be the following matrices. Perform the following operations: -8A = A2B = 5A - 2B = 00 3 -2 9 4 461 +61 A = -9 B = -3 -5 -2 -9 3

The matrix B is the result of performing a single row operation on the matrix A shown below. Identify the row operation. A= -1 3 4-4 - 12 B. Choose the correct answer below. OA. -4R₂ R₂ 1 -R₂ R₂ B= OC. 4R₁ + R₂ R₂ OD. -4R₁ + R₂ R₂ -13 7 0 8 16 ****

Write an augmented matrix for the follo 6x-5y +z = -9 8x-7y+ z = 7 9y-2z = - 2 3D2

Pls help ASAP on this question. Please show all steps.

Let A and B be the following matrices. 8 -4 -4 7 -1 A = -4 -3 -3 B : -3 -2 -4 8 9. -3 -6 -3 Perform the following operations: -3A A + 3B 2A + 3В