Question 1
Find the real roots of the polynomial x
5 - 13x
3 + 36x.
◦ -9, -4, 0, 4, 9
◦ -3, -2, 0, 2, 3
◦ -3, -2, 2, 3
◦ 0, 2, 3
◦ -9, -4, 4, 9
Question 2
Find the roots of the polynomial x
4 - 1. Give the multiplicity of each.
◦ Root is x = 1 with multiplicity 4
◦ Roots are x = 1, x = -1,
x = i, x = -i, each with multiplicity 1
◦ Roots are x = 1, x = i, each with multiplicity 2
◦ Roots are x = i, x = -i, each with multiplicity 2
◦ Roots are x = 1, x = -1, each with multiplicity 2