Is 7 1/2 bigger or smaller than 6 19/20? justify your answer ! thannn

7 1/2 = 7×2+1
           
               2

         =  15
              --
              2

6 19/20 = 6×20+19
                 
                      20

              =  139
                 
                   20

LCM = 20

7 1/2 = 15/2
   
         = 15×10
           
             2×10

         = 150/20

6 19/20 =  139
                 
                    20
 
              = 139 ×1 
                 
                  20 × 1

                =  139
                 
                    20

∴ 7 1/2 is greater than 6 19/20

Answer to your question: a. the fundamental theorem of algebra tells you that the equation will have two complex roots since the degree of the polynomial is 2. the roots are ​ x=1±i7√2 .number of roots=degree of polynomialhere, degree of polynomial is 2 so number of roots will be 2.hope it *_*