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Aufmann et al - Introductory Algebra 7/e (Homework)

Chris Read

Mathematics and Sciences, section 2, Fall 2010

Instructor: Mr. Cengage

Current Score: 2/11

Due: Wednesday, August 18, 2010 07:00 PM EDT

About this Assignment

Question
Points
1 2 3 4 5 6 7 8 9 10
0/1 1 0/1 0/1 0/1 1 0/1 0/2 0/1 0/1
Total
2/11

Description

Here are some textbook questions from Introductory Algebra 7/e by Richard N. Aufmann, Vernon C. Barker, Joanne S. Lockwood published by Brooks/Cole. Click here for a list of all of the questions coded in WebAssign.


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: AufIntroAlg7 2.1.010.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
What is the numerical coefficient of a variable term?

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2. 1/1 points All Submissions Notes Question: AufIntroAlg7 2.1.012.
Question part
Points
Submissions
1
1
3/50
Total
1/1
 
For the following exercise, evaluate the variable expression when a = 2, b = 5, and c = -2.
9a + 4b
Enter an exact number.
Your answer is correct.

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3. –/1 points Notes Question: AufIntroAlg7 2.1.052.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
The value of a is the value of 3x2 - 7x - 3 when x = -3. Find the value of 5a - 4.
Enter an exact number.

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4. –/1 points Notes Question: AufIntroAlg7 2.2.006.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
For the following exercise, simplify.
17a - 6a

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5. –/1 points Notes Question: AufIntroAlg7 2.2.032.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
For the following exercise, simplify.
2a - 2b - 2a

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6. 1/1 points All Submissions Notes Question: AufIntroAlg7 2.2.082.
Question part
Points
Submissions
1
1
1/50
Total
1/1
 
For the following exercise, simplify.
4(2x - 5)
<math><mrow><mn>8</mn><mi>x</mi><mo>-</mo><mn>20</mn></mrow></math> Your answer is correct.

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7. 0/1 points All Submissions Notes Question: AufIntroAlg7 2.3.002.
Question part
Points
Submissions
1
0/1
2/50
Total
0/1
 
For the following exercise, translate into a variable expression.
n less than 38
<math><mrow><mi>n</mi><mo>-</mo><mn>38</mn></mrow></math> Your answer is incorrect.

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8. –/2 points Notes Question: AufIntroAlg7 2.3.034.
Question part
Points
Submissions
1 2
0/1 0/1
0/50 0/50
Total
0/2
 
For the following exercise, translate into a variable expression. Use x for your variable.
the sum of three-fourths of a number and eleven


Simplify.

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9. –/1 points Notes Question: AufIntroAlg7 2.3.062.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Forty gallons of crude oil were poured into two containers of different sizes. Use one variable to express the amount of oil poured into each container. Let g represent the number of gallons of oil in the first container. How many gallons of oil are in the second container?

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10. –/1 points Notes Question: AufIntroAlg7 7.2.002.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Graph.
y = –3x + 1

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