Q1G9

If (a , b) = (3,-2) then a =......... , b = .............

• 3 , -2

• -2 , 3

• 1 , 1

• -1 , 1

(a+1 , b-3) = (-5 , 6)

a = ..............

b = ..............

• a = 4 , b = 9

• a = -4 , b = 9

• a = 6 , b = 3

• a = -6 , b = 9

f X = {3} , then n(X²) =............

• 3

• 9

• 1

• 6

If n(X)= 3 ,Y = { 2 , 3 } , then n(X x Y) =.............

• 6

• 3

• 4

• 2

If (3 , 5) ∈ {3 , 6} x {X , 8} , then X =............

• 3

• 6

• 5

• 2

If n(X²)= 9 , n(XxY)=6 , then n(Y²)=............

• 2

• 4

• 6

• 9

If the point (a+2 , 5) lies on the y-axis , then a = ..............

• 2

• 0

• -2

• 3

• 0

• undefined