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McKeague - Elem. and Inter. Algebra 3/e (Homework)

James Finch

Math - Developmental, Fall 2010

Instructor: Dr. Friendly

Current Score: 1/13

Due: Saturday, October 16, 2010 23:00 EDT

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Question
Points
1 2 3 4 5 6 7
1 0/1 0/6 0/1 0/1 0/1 0/2
Total
1/13

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 5 on factoring in Elementary and Intermediate Algebra 3/e by Charles P. McKeague 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. 1/1 points All Submissions Notes Question: McKEIAlg3 5.1.035.
Question part
Points
Submissions
1
1
1/50
Total
1/1
 
Factor by grouping.
xy + 7x + 5y + 35
<math><mrow><mfenced close=')' open='('><mi>x</mi><mo>+</mo><mn>5</mn></mfenced><mo>*</mo><mfenced close=')' open='('><mi>y</mi><mo>+</mo><mn>7</mn></mfenced></mrow></math> Your answer is correct.

Need Help? Read It Watch It Practice It Master It


2. –/1 points Notes Question: McKEIAlg3 5.2.071.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
What polynomial, when factored, gives (10x + 7)(x - 1)?

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3. –/6 points Notes Question: McKEIAlg3 5.3.067.
Question part
Points
Submissions
1 2 3 4 5 6
0/1 0/1 0/1 0/1 0/1 0/1
0/50 0/50 0/50 0/50 0/50 0/50
Total
0/6
 
Margaret shoots an arrow into the air. The equation for the height (in feet) of the tip of the arrow is as follows.
h = 32 + 56 t - 16 t**2
Factor the right side of this equation.
h =

Fill in the table for various heights of the arrow, using the factored form of the equation.
TIME t
(SECONDS) 		HEIGHT h
(FEET)
0
Enter an exact number.
1
Enter an exact number.
2
Enter an exact number.
3
Enter an exact number.
4
Enter an exact number.

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4. –/1 points Notes Question: McKEIAlg3 5.4.044.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Factor the expression.
9x2 - 60x + 100

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5. –/1 points Notes Question: McKEIAlg3 5.5.024.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Factor as the sum of two cubes.
6 + 6y3

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6. –/1 points Notes Question: McKEIAlg3 5.6.024.
Question part
Points
Submissions
1
0/1
0/50
Total
0/1
 
Factor the polynomial completely. (If it cannot be factored, enter NONE in the answer box.)
xy + 3x + 5y + 15 =

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7. –/2 points Notes Question: McKEIAlg3 5.8.029.
Question part
Points
Submissions
1 2
0/1 0/1
0/50 0/50
Total
0/2
 
A 25-foot ladder is placed so that it reaches to a point on the wall that is 5 feet higher than the distance from the base of the wall to the base of the ladder.
(a) How far from the wall is the base of the ladder?
Enter an exact number.
 feet

(b) How high does the ladder reach?
Enter an exact number.
 feet

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