Real and Complex Number quiz3 Welcome to your Ch # 2 Real and Complex Number quiz3 1. Q∩Q'=QQ'0All of these 2. The sum of two real number is also a real number is called _____ property w.r.t Addition.ClosureCommutativeAssociativeNone of these 3. The ___ of two real number is also a real number is also called closure property.ProductCommutativeAssociativeNone of these 4. Example of closure property ____.7+9=167×9=63Both a & bNone of these 5. Commutative property w.r.t addition is ___.a+b=b+ca+c=b+ca+b+c=a+ba+b=b+a 6. Commutative property w.r.t multiplication is _____ab = bcac = bcabc = abab = ba 7. Commutative property is ____a + b = b + aab = baBoth a & bNone of these 8. Associative property w.r.t Multiplication is ___.a(bc) = (ab)c(ab)c = a(bc)Both a & bNone of these 9. Zero is called ____ w.r.tAdditive IdentityAdditive InverseBothNone 10. a + 0 = 0 + a = a isAdditive IdentityAdditive InverseBothNone of these 11. The product of real number and zero is ____.That NumberImaginaryZeroNone of these 12. 1 is called _______ w.r.t multiplication.Multiplicative identityImaginaryMultiplicative inverseNone of these 13. a × 1 = 1 × a = a is _______ property.Multiplicative identityImaginaryMultiplicative inverseNone of these 14. The product of 1 and a number is ____.10zeroThat numberNone of these 15. The sum of two numbers is zero (0) is called ____.Additive identityAdditive InverseBothNone 16. If a+a'=a'+a=0 then a' is called _______ of a.Additive identityAdditive InverseBothNone of these 17. If a+(-a)=-a+a=0 then -a is called _______ of a.Additive identityAdditive inverseBothNone 18. The product of two number is 1 is called ___.Multiplicative identityImaginaryMultiplicative inverseNone of these 19. If a.a-1=a-1.a=1 then a-1 is called ________ of a.Multiplicative identityMultiplicative InverseImaginaryNone of these 20. Multiplicative identityImaginaryMultiplicative inverseNone of these Time is Up!
