Writing Polynomial Functions from Zeros

What is the fundamental theorem of algebra used for in polynomial functions?

• To factorize quadratic equations

• To solve linear equations

• To determine the number of zeros

• To find the degree of a polynomial

How do you convert a zero of -11 into a factor?

• x^2 - 11

• x^2 + 11

• x + 11

• x - 11

What is the factor form of a zero at 3?

• x + 3

• x - 3

• x^2 - 3

• x^2 + 3

How do you handle imaginary zeros when converting them into factors?

• Divide both sides by the imaginary part

• Add the imaginary part to both sides

• Square both sides

• Subtract the imaginary part from both sides

What is the factor form of a zero at √7?

• x - √7

• x + √7

• x^2 + 7

• x^2 - 7

What does the fundamental theorem of algebra tell us about conjugate pairs?

• They always appear in pairs

• They are always real numbers

• They are always imaginary numbers

• They are always positive

How do you convert a zero of 2/3 into a factor?

• 3x - 2

• x - 2/3

• 3x + 2

• x + 2/3

What is the degree of a polynomial with three zeros?

• 4

• 1

• 3

• 2

How do you handle a zero at √5 when converting it into a factor?

• x^2 + 5

• x^2 - 5

• x + √5

• x - √5

What is the degree of a polynomial with zeros at 2i and -2i?

• 2

• 3

• 4

• 5