Concept explainers
To find:the rational and irrational zeros of the polynomial.
Answer to Problem 65RE
the zeros of the polynomial is
Explanation of Solution
Given information:
the polynomial is
concept used:
rational zero theorem,
Calculation:
The constant term is
The factors of 4 are
Thus, the possible rational zeros of
the possible zeros of
Using synthetic division,
1 | 1 | -3 | -1 | 11 | -12 | 4 |
1 | -2 | -3 | 8 | -4 | ||
1 | -2 | -3 | 8 | -4 | 0 |
-2 | 1 | -3 | -1 | 11 | -12 | 4 |
-2 | 10 | -18 | 14 | -4 | ||
1 | -5 | 9 | -7 | 2 | 0 |
2 | 1 | -3 | -1 | 11 | -12 | 4 |
2 | -2 | -6 | 10 | -4 | ||
1 | -1 | -3 | 5 | 2 | 0 |
Factors,
The zeros of the polynomial is
Chapter 3 Solutions
Precalculus: Mathematics for Calculus - 6th Edition
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