Fundamental theorem of algebra

Fundamental theorem of algebra

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Multiple Choice

What is the degree of

$$f\left(x\right)=3x^3-2x^2+5x-1$$  

• 4

• 3

• -1

• x

Multiple Choice

How many solutions does the equation

 $0=4x^2+2x-1$  have?

• 0

• 1

• 2

• 3

Multiple Choice

How many zeros does the function

 $g\left(x\right)=x^4-8x-2$  have?

• 3

• 1

• 0

• 4

Multiple Choice

how many zeros does the function

$$f\left(x\right)=x\left(x-2\right)\left(x+1\right)$$  have?

• 0

• 1

• 2

• 3

Multiple Choice

how many zeros does the function

$$h\left(x\right)=x\left(x+3\right)^2\left(x+5\right)$$  have?

• 4

• 2

• 1

• 3

Multiple Choice

f is a polynomial with real coefficients and

$$2-i$$  is a zero of f, what is another solution of f(x)?

• -2 - i

• -2 + i

• 2 + i

• 2 - i

Multiple Choice

g is a polynomial function with real coefficients and

$$-2i$$  is a zero of g. What is another zero?

• 1-2i

• 1+2i

• 2i

• -2i

Multiple Choice

f is a polynomial function with real coefficients. If

$$2-\sqrt{5}i$$  is a zero of f, what is another zero of f?

• $$2+\sqrt{5}i$$  

• $$2-\sqrt{5}i$$  

• $$-2-\sqrt{5}i$$  

• $$-2+\sqrt{5}i$$