Given an Complex Factor, Find the Remaining Zeros

Given an Complex Factor, Find the Remaining Zeros

Assessment

Interactive Video

Mathematics

11th Grade - University

Hard

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The video tutorial covers the concept of conjugates in polynomials, explaining how they relate to factors. It demonstrates the difference of squares and applies long division to polynomials. The tutorial concludes with finding zeros using the quadratic formula, highlighting that all zeros in this example are imaginary.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the conjugate of X - i sqrt 3?

X - sqrt 3

X + sqrt 3

X - i sqrt 3

X + i sqrt 3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which method is used to divide a polynomial by a non-linear factor?

Completing the Square

Long Division

Synthetic Division

Factorization

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In polynomial long division, what is the first step?

Add the divisor to the dividend

Subtract the divisor from the dividend

Multiply the divisor by the dividend

Divide the leading term of the dividend by the leading term of the divisor

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What formula is used to find zeros when a polynomial is non-factorable?

Quadratic Formula

Linear Formula

Cubic Formula

Exponential Formula

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many imaginary zeros does the polynomial in the video have?

2

3

4

5