AR Semester 1 Exam 2024

What is the dimension of the matrix?

• 4x2

• 2x4

• 8x1

• 1x8

• 3x2

Find E + G.

• 5 0

  8 16

  1 9

• 5 0

  -8 16

  -1 -9

• 15 12

  2 12

  1 9

• -5 12

  7 16

  3 49

• 6 10

  18 32

  -1 8

Find E - G.

• -15 -12

  -2 -8

  -1 49

• -15 12

  -2 5

  1 -49

• 15 12

  2 12

  1 9

• -5 12

  7 16

  3 49

• -15 -12

  -2 -8

  -1 44

Number of turtles: ​ (a)  

Number of blue jays: ​ (b)  

• 5
• 9
• 6
• 7
• 10
• 2
• 8
• 12
• 3
• 4

Number of dogs: ​ (a)  

Number of parrots: ​ (b)  

• 5
• 9
• 6
• 7
• 10
• 2
• 8
• 12
• 3
• 4

Multiply the matrices.

• -11 8

  4 -2

• 11 -8

  4 2

• -11 8

  4 -5

• -11 -8

  -4 6

• 21 5

  7 2

Find the perimeter of the shape.

Find the perimeter of the shape.