Revision Matrices Unikl L

 $Find\ \ \left(AB\right)^T.$ 

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• 
• 
• 

Find $\ M_{23}\ \ \$ and  $C_{32}$  ?

• -2 and 9

• -2 and -9

• 2 and 9

• 2 and -9

Find the value of x ?

• x = 5

• x = 4

• x = 3

• x = 2

• x = 1

Find $\left|Q^T\right|$  ?

• 6

• -12

• -74

• 47

• 74

Find x and y .

• x = $\frac{2}{3}$ and y = $-\frac{1}{3}$

• x= $-\frac{2}{3}$ and y = $\frac{1}{3}$

• x = $\frac{2}{3}$ and y = $\frac{1}{3}$

• x = $-\frac{2}{3}$ and y = $-\frac{1}{3}$

Find QP?

• Not compatible

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• 
• 

What is the entry at r₃₁?

• 3

• 1

• 4

• 7

Calculate the determinant

• 0
• -15
• -70
• 10

Tags

CCSS.HSN.VM.C.6