Quiz about Semester 2 Final Part 1 Review

Question 1

What is the value of $$2^3 imes 2^4$$ ?

Accepted Answer

$$2^7$$

Answer

$$2^{12}$$

Answer

$$2^{1}$$

Answer

$$2^{4}$$

Question 2

Simplify: $$(x^5)^2$$

Accepted Answer

$$x^{10}$$

Answer

$$x^{7}$$

Answer

$$x^{25}$$

Answer

$$x^{3}$$

Question 3

Which of the following is a cubic polynomial?

Accepted Answer

$$x^3 - 2x + 5$$

Answer

$$x^2 + 3x + 1$$

Answer

$$2x + 7$$

Answer

$$4x^4 - x$$

Question 4

What is the degree of the polynomial $$4x^5 - 3x^2 + 7$$ ?

Accepted Answer

5

Answer

2

Answer

3

Answer

7

Question 5

What is the sum of $$(3x^2 + 2x + 1)$$ and $$(x^2 - x + 4)$$ ?

Accepted Answer

$$4x^2 + x + 5$$

Answer

$$2x^2 + 3x + 3$$

Answer

$$4x^2 + x + 3$$

Answer

$$2x^2 + x + 5$$

Question 6

Which of the following is written in scientific notation?

Accepted Answer

$$4.5 imes 10^{-4}$$

Answer

$$0.00045$$

Answer

$$4500$$

Answer

$$45 imes 10^{-5}$$

Question 7

Convert $$3.2 imes 10^5$$ to standard form.

Accepted Answer

$$320,000$$

Answer

$$320$$

Answer

$$32,000$$

Answer

$$3,200,000$$

Question 8

Simplify: $$\frac{5x^6}{x^2}$$

Accepted Answer

$$5x^4$$

Answer

$$5x^8$$

Answer

$$5x^3$$

Answer

$$5x^2$$

Question 9

Which of the following is a binomial?

Accepted Answer

$$x^2 - 4$$

Answer

$$x^2 + 2x + 1$$

Answer

$$x^3$$

Answer

$$7$$

Question 10

What is the product of $$(x + 2)$$ and $$(x - 3)$$ ?

Accepted Answer

$$x^2 - x - 6$$

Answer

$$x^2 + 5x + 6$$

Answer

$$x^2 - x + 6$$

Answer

$$x^2 + x - 6$$

Question 11

Express $$\sqrt[3]{x^6}$$ in exponential form. DO NOT SIMPLIFY

Accepted Answer

$$x^{6/3}$$

Answer

$$x^2$$

Answer

$$x^{2/3}$$

Answer

$$x^{1/2}$$

Question 12

Which of the following is a monomial?

Accepted Answer

$$3x^2$$

Answer

$$x^2 + 1$$

Answer

$$x + 2$$

Answer

$$x^2 - x + 1$$

Question 13

Simplify: $$(2x^3y^2) imes (3x^2y^4)$$

Accepted Answer

$$6x^5y^6$$

Answer

$$5x^5y^6$$

Answer

$$6x^6y^8$$

Answer

$$5x^6y^8$$

Question 14

Which of the following is the correct radical form of $$x^{3/4}$$ ?

Accepted Answer

$$\sqrt[4]{x^3}$$

Answer

$$\sqrt[3]{x^4}$$

Answer

$$\sqrt{x^3}$$

Answer

$$\sqrt[3]{x}$$

Question 15

What is the degree of the polynomial $$7x^4 + 2x^3 - x + 9$$ ?

Accepted Answer

4

Answer

3

Answer

2

Answer

1

Question 16

Subtract: $$(5x^2 + 3x - 2) - (2x^2 - x + 4)$$

Accepted Answer

$$3x^2 + 4x - 6$$

Answer

$$7x^2 + 2x + 2$$

Answer

$$3x^2 + 4x + 2$$

Answer

$$3x^2 + 4x + 6$$

Question 17

Which of the following is a quartic polynomial?

Accepted Answer

$$x^4 + 2x^2 - 1$$

Answer

$$x^3 + x^2 + x + 1$$

Answer

$$x^2 - 4x + 4$$

Answer

$$x + 5$$

Question 18

Divide: $$\frac{8x^5}{2x^2}$$

Accepted Answer

$$4x^3$$

Answer

$$4x^7$$

Answer

$$6x^3$$

Answer

$$4x^2$$

Question 19

Which of the following is an exponential function?

Accepted Answer

$$y = 2^x$$

Answer

$$y = x^2$$

Answer

$$y = 2x + 1$$

Answer

$$y = x^3 - 1$$

Question 20

What is the sum of $$(4x^3 + 2x^2)$$ and $$(3x^3 - x^2 + 5)$$ ?

Accepted Answer

$$7x^3 + x^2 + 5$$

Answer

$$7x^3 + x^2 + 10$$

Answer

$$7x^3 + 3x^2 + 5$$

Answer

$$7x^3 + x^2$$

Question 21

A small private school with a graduating class of 40 students in the year 2019 predicts that its graduating class will increase by 5% each year.

What function best represents this situation?

Accepted Answer

$$f\left(x\right)=40\left(1.05\right)^x$$

Answer

$$f\left(x\right)=40\left(0.95\right)^x$$

Answer

$$f\left(x\right)=5\left(0.60\right)^x$$

Answer

$$f\left(x\right)=5\left(1.40\right)^x$$

Semester 2 Final Part 1 Review

22 questions

Which of the following is a cubic polynomial?

Which of the following is written in scientific notation?

Which of the following is a binomial?

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