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Locating Zeros of Polynomial Functions:
Determine the zeros to the nearest tenth

Locating Zeros of Polynomial Functions: Determine the zeros to the nearest tenth-example-1
User David Eyk
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A graph shows zeros near -1.449 and +3.449. These suggest that one factor is the quadratic (x -1)² -6. That makes the other quadratic factor be (x -0.5)² +0.75. So, the complete factorization in integers is

... f(x) = (x² -2x -5)(x² -x +1)

The two real roots are near ...

... d. -1.4, 3.4

Locating Zeros of Polynomial Functions: Determine the zeros to the nearest tenth-example-1
User Firoz Memon
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