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Larson - College Prep Algebra 2/e (Homework)

James Finch

Math - College, section 1, Fall 2019

Instructor: Dr. Friendly

Current Score : 15 / 16

Due : Sunday, January 27, 2030 00:00 EST

Last Saved : n/a Saving...  ()

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Question
Points
1 2 3 4 5 6 7 8 9 10 11 12
1/1 1/1 1/1 1/1 2/2 1/1 4/4 1/1 1/1 0/1 1/1 1/1
Total
15/16 (93.8%)

  • Instructions

    College Prep Algebra, 2nd edition, by Ron Larson and published by Cengage Learning, is designed specifically to give students what they need to learn algebra, all within reach. Examples and exercises in this second edition have been revised to better prepare students. The program carefully integrates technology that engages students and helps inform learning. College Prep Algebra meets the needs of students by reinforcing algebra concepts to prepare them for career and college readiness.

    Question 1 features a Master It tutorial and numerical grading that requires an exact number.

    Question 2 displays the ability to grade integers.

    Question 3 shows a prompt for how to enter a response when there is no numerical answer for a question.

    Question 4 uses the MathPad's ability to grade all prime factors entered as a product.

    Question 5 displays an answer that must be entered in simplest form to be graded as correct.

    Question 6 features a Master It tutorial and shows how images can be randomized for the student.

    Question 7 shows how multiple numerical answer blanks can be used to build a mathematical equation.

    Question 8 displays how the MathPad can grade numbers containing exponents.

    Question 9 is a multiple choice question.

    Question 10 shows how students can be prompted to enter an answer rounded to a specific number of decimal places.

    Question 11 features the ability to grade multiple answers entered as a comma-separated list.

    Question 12 showcases how the MathPad can grade equations and enforce they are entered in a specific form. This demo assignment allows many submissions and allows you to try another version of the same question for practice wherever the problem has randomized values.

    The answer key and solutions will display after the first submission for demonstration purposes. Instructors can configure these to display after the due date or after a specified number of submissions.

Assignment Submission

For this assignment, you submit answers by question parts. The number of submissions remaining for each question part only changes if you submit or change the answer.

Assignment Scoring

Your last submission is used for your score.

1. 1/1 points  |  Previous Answers LarCPAlg2 1.2.097.MI. My Notes
Question Part
Points
Submissions Used
1
1/1
1/100
Total
1/1
 
An airplane flying at a cruising altitude of 31,000 feet is instructed to descend to x = 29,000 feet as shown in the diagram below. How many feet must the airplane descend?
Correct: Your answer is correct. seenKey

2,000

 ft


Solution or Explanation
31,000 − 29,000 = 2,000
The airplane must descend 2,000 feet.

Need Help? Master It

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2. 1/1 points  |  Previous Answers LarCPAlg2 1.2.106. My Notes
Question Part
Points
Submissions Used
1
1/1
3/100
Total
1/1
 
What number must be subtracted from
−25
 to obtain 15?
Correct: Your answer is correct. seenKey

-40
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3. 1/1 points  |  Previous Answers LarCPAlg2 1.3.046. My Notes
Question Part
Points
Submissions Used
1
1/1
1/100
Total
1/1
 
Perform the division, if possible. See Example 3. (If an answer is undefined, enter UNDEFINED.)
7
0
Correct: Your answer is correct. seenKey

UNDEFINED
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4. 1/1 points  |  Previous Answers LarCPAlg2 1.3.093. My Notes
Question Part
Points
Submissions Used
1
1/1
3/100
Total
1/1
 
Write the prime factorization of the number. See Example 5.
210
2·5·3·7
Correct: Your answer is correct. webMathematica generated answer key
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5. 2/2 points  |  Previous Answers LarCPAlg2 1.4.025. My Notes
Question Part
Points
Submissions Used
1 2
1/1 1/1
1/100 1/100
Total
2/2
 
The figure is divided into regions of equal area. Write a fraction that represents the shaded portion of the figure. Then write the fraction in simplest form.
shaded portion Correct: Your answer is correct. seenKey

4/6
simplest form Correct: Your answer is correct. seenKey

2/3
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6. 1/1 points  |  Previous Answers LarCPAlg2 1.4.060.MI. My Notes
Question Part
Points
Submissions Used
1
1/1
1/100
Total
1/1
 
Determine the unknown fractional part of the circle graph.
Correct: Your answer is correct. seenKey

1/4
WebAssign Plot


Solution or Explanation
1 − 
1
2
 − 
1
4
 = 
1(4)
1(4)
 − 
1(2)
2(2)
 − 
1
4
 = 
4
4
 − 
2
4
 − 
1
4
 = 
4 − 2 − 1
4
 = 
1
4

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7. 4/4 points  |  Previous Answers LarCPAlg2 1.4.167. My Notes
Question Part
Points
Submissions Used
1 2 3 4
1/1 1/1 1/1 1/1
1/100 1/100 1/100 1/100
Total
4/4
 
Determine the placement of the digits 2, 3, 4, and 5 in the following addition problem so that you obtain the specified sum. Use each number only once.
Correct: Your answer is correct. seenKey

5
Correct: Your answer is correct. seenKey

2
 + 
Correct: Your answer is correct. seenKey

4
Correct: Your answer is correct. seenKey

3
 = 
23
6
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8. 1/1 points  |  Previous Answers LarCPAlg2 1.5.001. My Notes
Question Part
Points
Submissions Used
1
1/1
1/100
Total
1/1
 
Rewrite in exponential form.
3 · 3
32
Correct: Your answer is correct. 3^(2)
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9. 1/1 points  |  Previous Answers LarCPAlg2 1.5.059. My Notes
Question Part
Points
Submissions Used
1
1/1
1/100
Total
1/1
 
Identify the property of real numbers illustrated by the statement. See Example 5.
(17 + 23) + 5 = 17 + (23 + 5)
     Correct: Your answer is correct.
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10. 0/1 points  |  Previous Answers LarCPAlg2 1.5.085. My Notes
Question Part
Points
Submissions Used
1
0/1
2/100
Total
0/1
 
Use a calculator to evaluate the expression. Round your answer to two decimal places.
240
1 + 
0.4
12
48
 
Incorrect: Your answer is incorrect. seenKey

1158.12
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11. 1/1 points  |  Previous Answers LarCPAlg2 2.1.004. My Notes
Question Part
Points
Submissions Used
1
1/1
1/100
Total
1/1
 
Identify the variable(s) in the expression. (Enter your answers as a comma-separated list.)
a + b
a, b
Correct: Your answer is correct. webMathematica generated answer key
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12. 1/1 points  |  Previous Answers LarCPAlg2 4.5.001. My Notes
Question Part
Points
Submissions Used
1
1/1
1/100
Total
1/1
 
Use the point-slope form to write an equation of the line. Write the equation in slope-intercept form.
y=−35​x+1.8
Correct: Your answer is correct. webMathematica generated answer key
The x y-coordinate plane is given. The line enters the window in the second quadrant, goes down and right, passes through the point (−2, 3), crosses the y-axis between 1 and 2, crosses the x-axis between 2 and 4, and exits the window in the fourth quadrant. The line is labeled m = −3⁄5.
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