Question

HELP FOR A MEDAL

Answer 1

What are the possible number of positive, negative, and complex zeros of f(x) = x^6 – x^5– x^4 + 4x^3 – 12x^2 + 12 ?

Answer 2

A= Positive: 3or 1; negative:2 or 0 complex 4,2, or 0
B=positive 3 or 1 negative 3 or 1 complex 4,2,0
C=positive 4,2,0 negative 2 or 0 complex 6,4,2,or 0
D= positive 2 or0 negative 2 or 0 complex 6,4,or 2

Answer 3

which polynomial identity will prove that 65 = 81 - 16?
a= binomial multiplication
b= difference of cubes
c=sum of cubes
d= difference of squares

Answer 4

Which polynomial identity will prove taht (3+6)^2=81?
a= difference of squares
b= difference of cubes
c=sum of cubes
d= square of a binomial

Answer 5

for the first one, C

Answer 6

Thanks!