Question 1

Evaluate.
-

Accepted Answer

A)  16 
B)  0 
C)  -1 
D)  1 
A)  16 
B)  0 
C)  -1 
D)  1

Question 2

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.
-A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels   miles/second.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 3

Multiply mentally.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 4

Convert to decimal notation.
-

Accepted Answer

A)  112.2 
B)  1,870,000 
C)  187,000 
D)  18,700,000 
A)  112.2 
B)  1,870,000 
C)  187,000 
D)  18,700,000

Question 5

Collect like terms.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 6

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.
-Assume that the volume of the earth is   cubic meters and the volume of a bacterium is   cubic meters. If the earth could be filled with bacteria, how many would it contain?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 7

Multiply mentally.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 8

Collect like terms.
-

Accepted Answer

A)    
B)  Can't be simplified 
C)    
D)    
A)    
B)  Can't be simplified 
C)    
D)

Question 9

Evaluate.
-

Accepted Answer

A)  b 
B)  1 
C)  -1 
D)  0 
A)  b 
B)  1 
C)  -1 
D)  0

Question 10

Evaluate the polynomial.
-

Accepted Answer

A)  -24 
B)  -40 
C)  40 
D)  8 
A)  -24 
B)  -40 
C)  40 
D)  8

Question 11

Compute each expression and compare.
-

Accepted Answer

A)  55; 25; difference of squares is greater than square of difference 
B)  55; 10; difference of squares is greater than square of difference 
C)  10; 10; both are equal 
D)  10; 25; square of difference is greater than difference of squares 
A)  55; 25; difference of squares is greater than square of difference 
B)  55; 10; difference of squares is greater than square of difference 
C)  10; 10; both are equal 
D)  10; 25; square of difference is greater than difference of squares

Question 12

Express using positive exponents. Then simplify.
-

Accepted Answer

A)  4 
B)    
C)    
D)  - 4 
A)  4 
B)    
C)    
D)  - 4

Question 13

Perform the division.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 14

Evaluate.
-

Accepted Answer

A)  4 
B)  4x 
C)  0 
D)  1 
A)  4 
B)  4x 
C)  0 
D)  1

Question 15

Multiply.
-(4x + 2)(x - 2)

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 16

Subtract.
-

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 17

Evaluate the polynomial.
-  - x - 20, when x = -3

Accepted Answer

A)  9 
B)  7 
C)  19 
D)  79 
A)  9 
B)  7 
C)  19 
D)  79

Question 18

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise.
-If the distance from the earth to the sun were 96,000,000 miles. How long would it take a rocket, traveling at 3 ×   miles per hour, to reach the sun? (Round to three places)

Accepted Answer

A)    
B)    
C)    
D)  3.2 hr 
A)    
B)    
C)    
D)  3.2 hr

Question 19

Solve the problem.
-The height H (in feet) of a ball thrown into the air from the top of a building after t seconds is given by H = -   + 70t + 215. Use the graph below to find the approximate value of   + 70t + 215 for x = 4.

Accepted Answer

A)  339 feet 
B)  239 feet 
C)  199 feet 
D)  279 feet 
A)  339 feet 
B)  239 feet 
C)  199 feet 
D)  279 feet

Question 20

Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree.
-

Accepted Answer

A)  Binomial, degree -18 
B)  Binomial, degree 0 
C)  Monomial, degree 2 
D)  Monomial, degree -18 
A)  Binomial, degree -18 
B)  Binomial, degree 0 
C)  Monomial, degree 2 
D)  Monomial, degree -18

Evaluate. -

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise. -A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels miles/second.

Multiply mentally. -

Convert to decimal notation. -

Collect like terms. -

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise. -Assume that the volume of the earth is cubic meters and the volume of a bacterium is cubic meters. If the earth could be filled with bacteria, how many would it contain?

Multiply mentally. -

Collect like terms. -

Evaluate. -

Evaluate the polynomial. -

Compute each expression and compare. -

Express using positive exponents. Then simplify. -

Perform the division. -

Evaluate. -

Multiply. -(4x + 2)(x - 2)

Subtract. -

Evaluate the polynomial. - - x - 20, when x = -3

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise. -If the distance from the earth to the sun were 96,000,000 miles. How long would it take a rocket, traveling at 3 × miles per hour, to reach the sun? (Round to three places)

Solve the problem. -The height H (in feet) of a ball thrown into the air from the top of a building after t seconds is given by H = - + 70t + 215. Use the graph below to find the approximate value of + 70t + 215 for x = 4.

Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree. -

Introduction

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Factoring

Rational Expressions and Equations

Graphs, Functions, and Applications

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

Filters

Exam 5: Polynomials: Operations

Evaluate. -

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise. -A light-year is the distance that light travels in one year. Find the number of miles in a light-year if light travels miles/second.

Multiply mentally. -

Convert to decimal notation. -

Collect like terms. -

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise. -Assume that the volume of the earth is cubic meters and the volume of a bacterium is cubic meters. If the earth could be filled with bacteria, how many would it contain?

Multiply mentally. -

Collect like terms. -

Evaluate. -

Evaluate the polynomial. -

Compute each expression and compare. -

Express using positive exponents. Then simplify. -

Perform the division. -

Evaluate. -

Multiply. -(4x + 2)(x - 2)

Subtract. -

Evaluate the polynomial. - - x - 20, when x = -3

Solve the problem. Express the answer in scientific notation to two decimals unless requested otherwise. -If the distance from the earth to the sun were 96,000,000 miles. How long would it take a rocket, traveling at 3 × miles per hour, to reach the sun? (Round to three places)

Solve the problem. -The height H (in feet) of a ball thrown into the air from the top of a building after t seconds is given by H = - + 70t + 215. Use the graph below to find the approximate value of + 70t + 215 for x = 4.

Identify the polynomial as a monomial, binomial, trinomial, or none of these. Give its degree. -

Introduction

Introduction to Real Numbers and Algebraic Expressions

Solving Equations and Inequalities

Graphs of Linear Equations

Polynomials: Factoring

Rational Expressions and Equations

Graphs, Functions, and Applications

Systems of Equations

More on Inequalities

Radical Expressions, Equations, and Functions

Quadratic Equations and Functions

Exponential Functions and Logarithmic Functions

Calculating Means and Medians of Data Sets

Filters