Solve and write the linear factorization using the sum of two cubes

Solve and write the linear factorization using the sum of two cubes

Assessment

Interactive Video

Mathematics, Business

11th Grade - University

Hard

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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in finding the zeros of a cubic equation?

Multiplying by a constant

Taking the derivative

Setting the equation to zero

Finding the square root

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When an expression is not factorable, which method can be used to find the zeros?

Completing the square

Using the quadratic formula

Graphing the equation

Applying the Pythagorean theorem

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of simplifying the expression 3 ± sqrt(-27) / 2?

3 ± i sqrt(3) / 2

3 ± 3i sqrt(3) / 2

3 ± sqrt(3) / 2

3 ± 3 sqrt(3) / 2

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many imaginary zeros are found in the given cubic equation?

Three

None

Two

One

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the context of the video, what does 'I' represent when simplifying complex numbers?

An integer

An identity element

An imaginary unit

An irrational number

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of linear factorization in solving equations?

To simplify the equation

To express solutions in a product form

To find the derivative

To eliminate complex numbers

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the linear factorization form of the solution X = 3/2 + 3i sqrt(3)/2?

X + 3/2 - 3i sqrt(3)/2

X - 3/2 + 3i sqrt(3)/2

X + 3/2 + 3i sqrt(3)/2

X - 3/2 - 3i sqrt(3)/2