Write a linear equation in slope-intercept form to model the situation: An Internet company charges $4.95 per month plus $2.50 for each hour of use.
What is y = 2.50x +4.95
100
Write an equation in point-slope form for the line that has a slope of (4/3) and passes through (5, -3)
What is x = 5
100
Write the slope-intercept form of the equation of the line parallel to the graph of 9x + 3y = 6 that passes through (5,3).
What is y = -3x +18
100
A scatter plot of data showing the percentage of total Internet users who visit a video sharing Web site on a given day in December includes the points (2010, 17.0) and (2008, 0.3). Write the slope-intercept form of an equation for the line of fit.
What is y = 8.35x - 16,766.5
100
Find the inverse of the following relations.
{(0,2), (-3, -4), (10, 9)}
What is {(2,0), (-4, -3), (9, 10)}
200
Write an equation in STANDARD form of the line that passes through (3, 1) and has a y-intercept of -2.
What is x-y = 2
200
Write an equation in point-slope form for a horizontal line that passes through (4,-2)
What is y + 2 = 0
200
Write the slope-intercept form of the equation of the line perpendicular to the graph of 4x - y = 12 that passes through (8,2)
What is y = (-1/4)x +4
200
Draw a scatter plot with no correlation
What is show Miss Lusby your scatter plot
200
Find the inverse of each function
f(x) = 4x - 3
What is (x+3)/4
300
Write an equation in slope intercept form for the line that passes through (5,4) and (6, -1).
What is y = -5x +29
300
A construction company charges $15 per hour for debris removal, plus a one-time fee for the use of a trash dumpster. The total fee for 9 hours of service is $195.
Write the point slope form of an equation to find the total fee y for any number of hours x.
What is y - 195 = 15(x - 9)
300
Write an equation in slope-intercept form for the line that passes through (4,2) and is perpendicular to y = (1/2)x + 1
What is y = -2x + 10
300
Draw a scatter plot with a negative correlation
What is show Miss Lusby your scatter plot
300
Find the inverse of
f(x) = -15 -(2/5)x
What is -(5/2)(x + 15)
400
Write the slope-intercept form of the equation y-1 = (3/4)(x-3)
What is y = (3/4)x - (5/4)
400
There is a daily fee for renting a moving truck, plus a charge of $.50 per mile driven. It costs $64 to rent the truck on a day when it is driven 48 miles. Write the point-slope form of an equation to find the total charge y for a one-day rental with x miles driven.
What is y - 64 = .05(x - 48)
400
Parallel, Perpendicular, or Neither?
y = (2/3)x + 3
2x -3y = 8
What is Parallel
400
Draw a scatter plot with a positive correlation
What is show Miss Lusby your scatter plot
400
The inverse of 5x - 17 = 11 + 3y is
What is (28 +3x)/5
500
Angie's mother wants to take some adult education classes at the local high school. She has to pay a one-time enrollment fee of $25 to join the adult education community, and then $45 for each class she wants to take. The equation y = 45x + 25 expresses the cost of taking x classes. What are the slope and y-intercept of the equation?
What is m = 45 and y-intercept = 25
500
The perimeter of a square varies directly with its side length. The point-slope form of the equation for this function is y - 4= 4(x -1). Write the equation in standard form
What is 4x - y = 0
500
Brady’s Books is a retail store. The store’s average daily profits y are given by the equation y = 2x + 3 where x is the number of hours available for customer purchases. Brady’s adds an online shopping option. Write an equation in slope-intercept form to show a new profit line with the same profit rate containing the point (0, 12).
What is y = 2x + 12
500
Make a scatter plot relating the age to the percent of the person's budget spent on entertainment
Age: 30, 40, 50, 60, 70, 80
% Spent on Entertainment: 6.1, 6.0, 5.4, 5.0, 4.7, 3.4