Scalar and Matrix Multiplication

Question 1

X = ⇒ 30

Revolt · Accepted Answer

⇒ 30: 12; Part 2: -13

Question 2

Given: B = 7 −3 5 −1 C = 1 −1 13 −5 Solve the equation: 2X + B = C X =

Revolt · Accepted Answer

Part 1: -3; Part 2: 1; Part 3: 4; Part 4: -2

Question 3

X =

Revolt · Accepted Answer

Part 1: 12; Part 2: -4; Part 3: -2; Part 4: -8; Part 5: -13; Part 6: 8; Part 7: 8; Part 8: 15; Part 9: 18

Question 4

What is the solution to this matrix equation:AX = C

Revolt · Accepted Answer

X = A-1C

Question 5

Step 1: Step 2:

Revolt · Accepted Answer

Add the opposite of B to both sides.; Selection 1: Add the opposite of B to both sides.; Selection 2: Multiply both sides by the inverse of A.

Question 6

X =

Revolt · Accepted Answer

Part 1: -5; Part 2: 3; Part 3: -5; Part 4: 6

Question 7

x1 = x2 =

Revolt · Accepted Answer

Part 1: -4; Part 2: 5

Question 8

x1 = x2 = x3 =

Revolt · Accepted Answer

Part 1: 1; Part 2: -1; Part 3: 3

Question 9

f1 = , f2 = , f3 =

Revolt · Accepted Answer

Part 1: .441; Part 2: .931; Part 3: 1.520

Question 10

Question 19

Revolt · Accepted Answer

Multiply both sides by the inverse of A.

Scalar and Matrix Multiplication Answers