Concept explainers
a.
To represent: a
a.
Answer to Problem 2.15EP
“Strong
Explanation of Solution
Given:
The table shows the number shows the LCD televisions sold in the recent year:
Year | Numbers of TVs sold |
2006 |
|
2007 |
|
2008 |
|
2009 |
|
2015 |
|
Calculation:
Consider the data that represents the number of LCD televisions sold in various years at an electronic store. Assume that x represents the number of years since 2000.
To draw a scatter plot in Excel, first select data to plot and go to “Insert” menu, then go to “charts” and click on “Scatter plot”. Label both axis and the scatter plot of the given data is as follows:
The points
The given data shows a “Strong Positive Correlation.”
b.
To write: a prediction equation by using two ordered pairs.
b.
Answer to Problem 2.15EP
Explanation of Solution
Given:
The given ordered pairs
Calculation:
To find an equation of a line through. The slope of the line will be,
The equation of the line will be,
Therefore, the equation of the line is
c.
To predict: the missing value of the given table.
c.
Answer to Problem 2.15EP
Explanation of Solution
Given:
The table shows the number shows the LCD televisions sold in the recent year:
Year | Numbers of TVs sold |
2006 |
|
2007 |
|
2008 |
|
2009 |
|
2015 |
|
Calculation:
To compute the number of LCDs sold in 2015, substitute
Therefore, the predicted number of LCDs sold in 2015 is equal to
Chapter SH Solutions
Glencoe Algebra 2 Student Edition C2014
Additional Math Textbook Solutions
Introductory Statistics
Using and Understanding Mathematics: A Quantitative Reasoning Approach (6th Edition)
Elementary Statistics: Picturing the World (7th Edition)
A Problem Solving Approach To Mathematics For Elementary School Teachers (13th Edition)
Intro Stats, Books a la Carte Edition (5th Edition)
- Listen A falling object travels a distance given by the formula d = 6t + 9t2 where d is in feet and t is the time in seconds. How many seconds will it take for the object to travel 112 feet? Round answer to 2 decimal places. (Write the number, not the units). Your Answer:arrow_forwardSolve by the quadratic formula or completing the square to obtain exact solutions. 2 e 104 OA) -16±3√6 B) 8±√10 O c) -8±√10 OD) 8±3√√6 Uarrow_forwardQuestion 14 (1 point) Listen The frame on a picture is 18 in by 22 in outside and is of uniform width. Using algebraic methods, what is the width of the frame if the inner area of the picture shown is 250 in²2? Write answer to 2 decimal places. (Write the number with no units). 18 in Your Answer: 22 inarrow_forward
- ◄ Listen A vacant lot is being converted into a community garden. The garden and a walkway around its perimeter have an area of 560 square feet. Find the width of the walkway (x) if the garden measures 15 feet wide by 19 feet long. Write answer to 2 decimal places. (Write the number without units). X 15 feet Your Answer: 19 feet Xarrow_forwardListen A stuntman jumps from a roof 440 feet from the ground. How long will it take him to reach the ground? Use the formula, distance, d = 16t2, (where t is in seconds). Write answer to 1 decimal place. (Write the number, not the units). Your Answer:arrow_forwardSolve x² - 10x + 24 = 0 ○ A) 4,6 B) -12, -2 C) 12,2 D) -4, -6arrow_forward
- Algebra and Trigonometry (6th Edition)AlgebraISBN:9780134463216Author:Robert F. BlitzerPublisher:PEARSONContemporary Abstract AlgebraAlgebraISBN:9781305657960Author:Joseph GallianPublisher:Cengage LearningLinear Algebra: A Modern IntroductionAlgebraISBN:9781285463247Author:David PoolePublisher:Cengage Learning
- Algebra And Trigonometry (11th Edition)AlgebraISBN:9780135163078Author:Michael SullivanPublisher:PEARSONIntroduction to Linear Algebra, Fifth EditionAlgebraISBN:9780980232776Author:Gilbert StrangPublisher:Wellesley-Cambridge PressCollege Algebra (Collegiate Math)AlgebraISBN:9780077836344Author:Julie Miller, Donna GerkenPublisher:McGraw-Hill Education