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Kaufmann and Schwitters - Elementary Algebra 8/e (Homework)

Chris Read

Mathematics and Sciences, section 1, Fall 2010

Instructor: Mr. Cengage

Current Score: 1/9

Due: Saturday, August 28, 2010 09:00 PM EDT

About this Assignment

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Question
Points
1 2 3 4 5 6 7
0/1 0/1 0/1 0/1 0/1 1 0/3
Total
1/9

Description

Create your course assignments by selecting questions from our bank of 1500 end-of-section exercises, as well as enhanced interactive examples with videos.

While doing their homework, students can link to the relevant interactive examples from the book and work through them again and again for additional practice before answering the question.

Students can view and hear additional instruction through the 2-5 minute Watch It links. Students will also find helpful links to online excerpts from their textbook, online-live help, tutorials, and videos.

Read It - relevant textbook pages

Watch It - videos of worked examples

Practice It - interactive examples

Master It - tutorials

Chat About It - online, live help

In this assignment we present several textbook question types found in Chapter 2 on real numbers in Elementary Algebra 8/e by Jerome E. Kaufmann and Karen L. Schwitters published by Brooks/Cole.


Instructions

This demo assignment allows many submissions and allows you to try another version of the same question for practice.



1. –/1 points Notes Question: KaufEAlg8 2.2.067.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Simplify the numerical expression and express your answer in reduced form.
7/6+4/7 middot 7/3-1/5 middot 2/5
Enter a mathematical expression.

Need Help? Read It Watch It Practice It Master It


2. –/1 points Notes Question: KaufEAlg8 2.2.074.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Simplify the numerical expression and express your answer in reduced form.
4/8 ÷ 3/8+9/8 middot 7/3-5/12
Enter a mathematical expression.

Need Help? Read It Practice It


3. –/1 points Notes Question: KaufEAlg8 2.3.073.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Evaluate the algebraic expression for the given values of the variables. Don't forget that it might be helpful to combine similar terms first and then to evaluate.
$ -x -{{\color{red}5}}y + {{\color{red}6}}z \;\;\;for\; x = {{\color{red}2.9}},\;y = {{\color{red}-2.4}},\;and\;z = {{\color{red}4.4}} $
Enter an exact number.

Need Help? Read It Practice It Master It


4. –/1 points Notes Question: KaufEAlg8 2.4.077.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Perform the indicated operations and express your answer in reduced form.
(9/(2 x**3)) + (16/x)

Need Help? Read It Watch It Practice It Master It


5. –/1 points Notes Question: KaufEAlg8 2.4.085.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Perform the indicated operations and express your answer in reduced form.
11/x - 19/y - 18/(xy)

Need Help? Read It Practice It


6. 1/1 points All Submissions Notes Question: KaufEAlg8 2.5.064.
Question part
Points
Submissions
1
1
1/50
Total
1/1
 
Answer the question with an algebraic expression.
The width of a rectangle is w feet, and its length is 6 feet more than twice its width. What is the perimeter of the rectangle in feet?
<math><mrow><mn>6</mn><mi>w</mi><mo>+</mo><mn>12</mn></mrow></math> Your answer is correct. ft

Need Help? Read It Watch It Practice It Master It


7. –/3 points Notes Question: KaufEAlg8 8.4.036.
Question part
Points
Submissions
1 2 3
0/1 0/1 0/1
0/50 0/50 0/50
Total
0/3
 
Determine the slope and y intercept of the line represented by the given equation, and graph the line.
$ {\color{red}7} x + {\color{red}6} y = {\color{red}42} $
Slope:
Enter an exact number as an integer, fraction, or decimal.


(y intercept):
(x, y) = ( 0,
Enter an exact number.
 )

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