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Laabri

Unit 4 Solving Real and Complex Quadratic Equations (2/10/2026)

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9 Nsɛmmisa

Simplifying Negative Square Roots

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Finding the discriminant

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1.

Simplify this radical. (Don't forget to split your answer into two parts.)

1st Solution

2nd Solution

Adding and Subtracting Complex Numbers

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2.

Simplify this expression.

Final answers must be in a + bi form.

Multiplying Complex Numbers

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3.

Simplify this expression.

Final answers must be in a + bi form.

Quadratic Equations with Complex Solutions

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4.

Solve using the square roots method.

Solution 1

Solution 2

Write the answer in simplest radical form. (no decimals)

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5a.

Put this quadratic equation in Standard Form:

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5b.

Now that you converted the quadratic equation into standard form, what are the coefficients?

Find

a=

b=

c=

What is the discriminant?

b² - 4ac=

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Using the Quadratic Formula to Solve Quadratic Equations with Complex Solutions

Quadratic Formula

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6.

Solve this quadratic equation. You may use any method covered in this unit.

1) Convert this quadratic equation to standard form:

2) Use the cofficients to find:

a=

b=

c=

3Find the solution(s)

(If the equation only has one answer, then enter it in both boxes.)

Solution 1:

Solution 2:

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5c.

Because the value of the discriminant was