Polynomial Functions and Complex Zeros Lesson Slides

6 Slides • 10 Questions

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Precal Unit 3

Complex Zeros Lesson

Some text here about the topic of discussion

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Drag and Drop

Find all zeros of the polynomial functions below. Simplify all irrational and complex solutions.

3. f(x) = x⁴ - 16;

and

4. f(x) = -2x³ - 16;

and

Drag these tiles and drop them in the correct blank above

±2

±2i

-2

1 ± i√3

4

Dropdown

Find all zeros of the polynomial function below. . Simplify all irrational and complex solutions.

5. f(x) = x³ - 2x² + x - 2:

and

6. f(x) = 3x³ - 4x² + 36x - 48;

and

5

Multiple Select

Find all the zeros of the function below. Write in simplest form.

7. f(x) = 2x⁵ -5x⁴ -2x + 5

1

$x\ =\ \left\{\pm i\right\}$

2

$x\ =\ \left\{\frac{2}{5}\right\}$

3

$x\ =\ \left\{\pm1\right\}$

4

$x\ =\ \left\{\frac{5}{2}\right\}$

6

Multiple Select

Find all the real zeros of the following function. Simplify answers.

8. f(x) = x⁴ + 7x³ - x - 7

1

$x=\left\{\pm1\right\}$

2

$x=\left\{-7\right\}$

3

$x=\left\{1\right\}$

4

$x\ =\left\{\frac{-1\pm i\sqrt[]{3}}{2}\right\}$

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Precal Unit 3

Complex Zeros Lesson

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