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Questions (17)
A large pharmaceutical company uses the function f(x)=1.556x - 3133 to model the amount of money, in billions of dollars, it
3 answers
83 views
Watch the section lecture video and answer the question listed below. Note: The counter in the lower right corner of the
1 answer
93 views
In the United States, the revenue (money taken from sales) at a "full service" restaurant is increasing at a faster
13 answers
111 views
Given the following data for four houses sold in comparable neighborhoods and their corresponding number of square feet, draw
5 answers
116 views
A large pharmaceutical company uses the function f(x)=1.606x-3340 to model the amount of money, in billions of dollars, it
1 answer
96 views
In the situation below, tell whether a correlation is likely. If it is, tell whether the correlation reflects a causal
3 answers
179 views
Use a graphing calculator to find the equation of the line of best fit for the data in the table below. Find the value of the
1 answer
64 views
he table below shows the attendance in millions at theme parks in a certain country. Make a scatter plot of the data pairs. Draw
5 answers
121 views
For the table below, make a scatter plot of the data. Describe the type of correlation the scatter plot shows.
Jean Sales
1 answer
98 views
Write an equation in slope-intercept form of the line that passes through the given point and is parallel to the graph of the
9 answers
79 views
Graph the linear equation.
y = 5
11 answers
49 views
Find the x-intercept and the y-intercept of the graph of the equation.
3x + 7y = 21
9 answers
49 views
Write an equation in point-slope form for the given line.
Choose the correct answer below. y - 4 = - 1/5(x - 2) y - 2 = 1/5 (x
1 answer
36 views
Write an equation in point-slope form of the line that passes through the given point and with the given slope m.
(-2,1); m=5
2 answers
37 views
Suppose y varies directly with x. Write a direct variation equation that relates x and y. Then graph the equation.
y = 4.4 when x
21 answers
97 views
For the data in the table below, does y vary directly with x? If it does, write an equation for the direct variation.
x
1 answer
34 views
Question content area top
Part 1 Suppose y varies directly with x. Write a direct variation equation that relates x and y. Then
1 answer
141 views
Answers (36)
this was incorrect
b) Now write a linear regression equation for the "fast food" restaurant. y = [ ] (Type an expression using x as the variable. Use integers or decimals for any numbers in the expression. Round to the nearest thousandth as needed.)
the correct answer was 7.279x + 56.048
that's just the same answer that i said was incorrect
that's still incorrect
...that was also incorrect
that was incorrect
In the United States, the revenue (money taken from sales) at a "full service" restaurant is increasing at a faster rate than the revenue at a "fast food" restaurant. The data below represent the annual revenue in billions of dollars for
are you sure
Part 2 Tell whether the correlation reflects a causal relationship. Explain your reasoning. Choose the correct answer below. A. There is not likely to be a correlation in the situation. B. Since having bigger causes people to fail the 6th grade more
The correlation coefficient r is [ ]. (Round to three decimal places as needed.)
Use a graphing calculator to find the equation of the line of best fit for the data in the table below. Find the value of the correlation coefficient r. Then predict the number of movie tickets sold in 2014. Year 1998 1999 2000 2001 2002 2003 2004 2005
Write an equation for the following translation of y = -|x|. 15 units up
Write an equation for the following translation of y = |x| 5 units up
Write an equation in slope-intercept form of the line that passes through the given point and is perpendicular to the graph of the given equation. (-3,6); y = 1/3x - 4
Determine whether the pair of lines is parallel, perpendicular, or neither. x - 2y = -9 y = 9x - 5
Find the x- and y-intercepts of the line that passes through the given points. (-5, -5), (7, -1)
Write the equation in standard form using integers. y + 1 = 2/5 (x + 7)
Write the equation in standard form using integers. y = - 2/5 x -4
Write the equation in standard form using integers. y = - 2/5 x - 4
Graph the linear equation. y = 1
Graph the linear equation. y = 5
are you sure?
Draw a line with the given intercepts. x + y = -8
Find the x-intercept and the y-intercept of the graph of the equation. 4x + 2y = 16
Write an equation in point-slope form for the given line. Choose the correct answer below. y - 4 = - 1/5(x - 2) y - 2 = 1/5 (x - 4) y - 2 = -1/5 (x - 4) y - 4 = 1/5 (x - 2)
Use the slope and y-intercept to graph the equation. 2y + 12x = 0
Graph the equation. y = -3x + 2
Write an equation of the line that passes through the given points. (-4,8) and (3,1)
Write an equation of the line that passes through the given points. (-1,7) and (3, -5) The equation is [ ]. (Type your answer in slope-intercept form.)
Write an equation of the line that passes through the given points. (-1,7) and (3, -5)
Find the equation of the line with y-intercept -4 and slope 5/7
are you sure?
Find the slope and y-intercept of the graph of the equation. y = 6
are you sure?
Find the slope and y-intercept of the graph of the equation. y = 7x + 1
