Chap Review
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Chap1Review.notebook
AIM: Chapter 1 Review
September 29, 2009 Integrated Algebra 09/24/09 Mr. Callahan
Do Now
The midpoint of AB is (1, 5) and the coordinates of point A are (3, 2). What are the coordinates of point B? (use the midpoint formula)
AIM: Chapter 1 Review
Integrated Algebra 09/24/09 Mr. Callahan
StemandLeaf Plot
Construct a stemandleaf plot listing the scores below in order from lowest to highest. 15, 25, 28, 32, 39, 40, 43, 26, 50, 75, 65, 19, 55, 72, 50 15, 19, 25, 26, 28, 32, 39, 40, 43, 50, 50, 55, 65, 72, 75
1
Chap1Review.notebook
September 29, 2009 Integrated Algebra 09/24/09 Mr. Callahan
AIM: Chapter 1 Review
1. 15, 19, 25, 26, 28, 32, 39, 40, 43, 50, 50, 55, 65, 72, 75
Integrated Algebra 09/24/09 Mr. Callahan
AIM: Chapter 1 Review 2. Find the Mean
Solve the equation: suppose four test grades were 80, 93, and 91. What grade would you need on the next exam to have a 90 average? Use the mean formula. let x be the fourth exam. Simplify the numerator.
Multiply each side by 4.
Simplify.
Subtract 264 from each side. Simplify.
2
Chap1Review.notebook
September 29, 2009
AIM: Chapter 1 Review
Integrated Algebra 09/24/09 Mr. Callahan
3. Solve
AIM: Chapter 1 Review
Integrated Algebra 09/24/09 Mr. Callahan
4.
x
y
What should the domain be?
5. Simplify |7 + 3| + 6
3
Chap1Review.notebook
September 29, 2009 Integrated Algebra 09/24/09 Mr. Callahan
AIM: Chapter 1 Review
6. Create a scatter plot from the graph below.
100
Hours
Watched Test Score Watched
Test Score
0 0 0.5 1 1 1 1.5
92 100 89 82 90 95 85
2 2.5 2.5 3 3.5 4 4.5
80 65 70 68 60 65 55
2
70
5
60
Test Score
Hours
80 60 50
40
20
1
2
3
4
5
Hours Spent Watching Television
4
AIM: Chapter 1 Review
September 29, 2009 Integrated Algebra 09/24/09 Mr. Callahan
Do Now
The midpoint of AB is (1, 5) and the coordinates of point A are (3, 2). What are the coordinates of point B? (use the midpoint formula)
AIM: Chapter 1 Review
Integrated Algebra 09/24/09 Mr. Callahan
StemandLeaf Plot
Construct a stemandleaf plot listing the scores below in order from lowest to highest. 15, 25, 28, 32, 39, 40, 43, 26, 50, 75, 65, 19, 55, 72, 50 15, 19, 25, 26, 28, 32, 39, 40, 43, 50, 50, 55, 65, 72, 75
1
Chap1Review.notebook
September 29, 2009 Integrated Algebra 09/24/09 Mr. Callahan
AIM: Chapter 1 Review
1. 15, 19, 25, 26, 28, 32, 39, 40, 43, 50, 50, 55, 65, 72, 75
Integrated Algebra 09/24/09 Mr. Callahan
AIM: Chapter 1 Review 2. Find the Mean
Solve the equation: suppose four test grades were 80, 93, and 91. What grade would you need on the next exam to have a 90 average? Use the mean formula. let x be the fourth exam. Simplify the numerator.
Multiply each side by 4.
Simplify.
Subtract 264 from each side. Simplify.
2
Chap1Review.notebook
September 29, 2009
AIM: Chapter 1 Review
Integrated Algebra 09/24/09 Mr. Callahan
3. Solve
AIM: Chapter 1 Review
Integrated Algebra 09/24/09 Mr. Callahan
4.
x
y
What should the domain be?
5. Simplify |7 + 3| + 6
3
Chap1Review.notebook
September 29, 2009 Integrated Algebra 09/24/09 Mr. Callahan
AIM: Chapter 1 Review
6. Create a scatter plot from the graph below.
100
Hours
Watched Test Score Watched
Test Score
0 0 0.5 1 1 1 1.5
92 100 89 82 90 95 85
2 2.5 2.5 3 3.5 4 4.5
80 65 70 68 60 65 55
2
70
5
60
Test Score
Hours
80 60 50
40
20
1
2
3
4
5
Hours Spent Watching Television
4
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