Math 11 Chapter 2Number SystemTest - 11

Math 11 Chapter 2
Number System
Test - 11

1. The equation x²=2 has a solution in the set of real numbers.

a) True
b) False

2. Z + Z = ……………….

a) 0
b) Complex number
c) Real number
d) None

3. The property used in the equation 4.1+(-4.1) = 0 is?

a) Additive identity
b) Associative
c) Commutative
d) Additive inverse

4. a(b+c) = ab + bc is called________.

a) Transitive property.
b) Distributivity of multiplication over addition.
c) Cancellation property w.r.t. multiplication.
d) Multiplicative property.

5. If `Z = Z implies:

a) None of the above.
b) Z is purely a complex number
c) Z is a real number.
d) modulus of Z is equal to one.

6. The identity element with respect to addition is?

a) 1
b) -1
c) 0
d) 0 and 1

7. If A is a non empty set then binary operation is?

a) A function from A into A
b) Not a function from A x A into A
c) A function from A x A into A
d) Subset A x A

8. Z + `Z is:

a) Zero.
b) real number.
c) Complex number.
d) One

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