Quiz about Math Section 5.1 Quiz

Question 1

Which of the following expressions is a polynomial?

Accepted Answer

$$x^2+2$$

Answer

$$\frac{1}{x}$$

Answer

$$x^{-2}$$

Answer

$$x^{-\frac{1}{2}}$$

Question 2

Which of the following expressions is NOT a polynomial?

Accepted Answer

$$f^{\frac{3}{2}}$$

Answer

$$5f-6$$

Answer

$$6$$

Answer

$$7f^2-4f+3$$

Question 3

Select ALL polynomials from the choices below.

Accepted Answer

$$25n$$

Accepted Answer

$$-8n^2$$

Accepted Answer

$$\frac{12n}{5}$$

Accepted Answer

$$10n^8$$

Answer

$$-\frac{6n^2}{n}$$

Question 4

Which of the following polynomials has a degree of 3?

Accepted Answer

$$xyz+1$$

Answer

$$3yz$$

Answer

$$3xy+x$$

Answer

$$14x^2$$

Question 5

Which of the following is a constant? (HINT: what choices contain variables?)

Accepted Answer

$$9$$

Answer

$$-3x$$

Answer

$$3x^2-2$$

Answer

$$-2x^2$$

Question 6

Which of the choices below represents the constant term of the following polynomial?

$$3z^3+z-5-4z^2$$

Accepted Answer

$$-5$$

Answer

$$-4$$

Answer

$$3$$

Answer

$$5$$

Question 7

What are the coefficients of the following polynomial?

$$-3b^2+10-b$$

Accepted Answer

$$-3,\ -1$$

Answer

$$-3$$

Answer

$$3,\ 1$$

Answer

$$10$$

Question 8

Which of the following is a binomial?

Accepted Answer

$$-4-c$$

Answer

$$-c$$

Answer

$$c^2+4c+1$$

Answer

$$-1$$

Question 9

Which of the following is a monomial of degree 3?

Accepted Answer

$$4y^2x$$

Answer

$$2y^2x^2$$

Answer

$$8y^2+y$$

Answer

$$5y^2$$

Question 10

Which of the following is a polynomial of degree 1 and has a positive coefficient?

Accepted Answer

$$4x+1$$

Answer

$$1-9x$$

Answer

$$4+x^2$$

Answer

$$4x^2$$

Question 11

Which of the following choices is equivalent to the polynomial below?

$$1-7y^2+3x$$

Accepted Answer

$$-7y^2+3x+1$$

Answer

$$7y^2-3x+1$$

Answer

$$7y^2+3x-1$$

Answer

$$7y^2+3x+1$$

Question 12

BONUS QUESTION: Which of the following are true? (HINT: remember Wednesday's class when we talked about what polynomials are NOT.)

Accepted Answer

$$\frac{1}{x}=x^{-1}$$

Answer

$$\sqrt[]{x}=x^{-\frac{1}{2}}$$

Answer

$$\sqrt[]{x}=x^{-1}$$

Answer

$$\frac{1}{x}=x^{\frac{1}{2}}$$

Question 13

BONUS QUESTION: What is the degree of the following polynomial?

$$7a^2bc^4d^2efg^3-2a^2$$

Accepted Answer

$$14$$

Answer

$$11$$

Answer

$$13$$

Answer

$$16$$

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