Question

A polynomial function has -5+√3t as a root. Which of the following must also be a root of the function? a) -5-√3t b) -5+√3t c) 5-√3t d) 5+√3t

Answer 1

a

Explanation:

Radical roots occur as conjugate pairs

Given - 5 +
`√(3)` t is a root , then

- 5 -
`√(3)` t is also a root → a