Slope-Intercept Form
Parallel/Perpendicular Lines
Scatter Plots
Lines of Fit (Calculator)
Arithmetic Sequences
100
Write an equation in Slope Intercept Form using the following information:
Slope: -2
y-int: 1/3
y = -2x + 1/3
100
Write an equation in slope-intercept form of the line that passes through the given point and is PARALLEL to the given line.
Point: (2, 3)
Original Line: y = 3x - 1
y = 3x - 3
100
Does the scatter plot show a positive, negative, or no correlation?
Positive Correlation
100
What is the "r" value of the following table? Round to the nearest hundredth (two numbers AFTER the decimal)
-0.96
100
What is the common difference of the sequence below?
20, 13, 16, -1, ...
-7
200
Write an equation in Slope Intercept Form using the graph below:
y = 2x + 3
200
Write an equation in slope-intercept form of the line that passes through the given point and is PARALLEL to the given line.
Point: (-4, 5)
Original Line: y = -3x + 5
y = -3x - 7
200
Does the scatter plot show a positive, negative, or no correlation?
Negative Correlation
200
If the "r" value is -0.96, does that indicate a positive, negative or no correlation?
Negative Correlation
200
What is the 0th term of the sequence below?
* HINT: You must find the common difference FIRST
-2, 3, 8, 13, ...
Common Difference: +5
0th Term: -7
300
Write an equation in Slope Intercept Form using the graph below:
y = -3/4x + 7
300
Write an equation in slope-intercept form of the line that passes through the given point and is PERPENDICULAR to the given line.
Point: (0, 2)
Original Line: y = -x + 1
y = x + 2
300
Does the scatter plot show a positive, negative, or no correlation?
No Correlation
300
What is the linear regression equation for the following table? (y = ax + b)
y = 11.99x + 35.11
300
What is the explicit equation for the following sequence:
* HINT: You must find the common difference AND 0th Term in order to write the equation.
-1, -5, -9, -13
An = -4n + 3
400
Write an equation in Slope Intercept Form using the information below:
Point: (4, 1)
Slope: 3
** HINT: USE POINT SLOPE FORM
y = 3x - 11
400
Write an equation in slope-intercept form of the line that passes through the given point and is PERPENDICULAR to the given line.
Point: (7, -6)
Original Line: y = 1/2x - 8
y = -2x + 8
400
What does the x-axis represent? What does the y-axis represent? And what type of correlation does the scatter plot show?
X-axis: Number of People
Y-axis: $ spent
Positive Correlation
400
Using the linear regression model:
y = -9.59x + 844.55
Estimate the number of attendees in 15 years.
700.7
400
What is the explicit equation for the following sequence:
* HINT: You must find the common difference AND 0th Term in order to write the equation.
72, 48.5, 25, 1.5
An = -23.5n + 95.5
500
Write an equation in Slope Intercept Form using the information below:
Point: (-2, -5)
Slope: -2
y = -2x - 9
500
Write an equation in slope-intercept form of the line that passes through the given point and is PERPENDICULAR to the given line.
Point: (1, 2)
Original Line: y = -3/4x - 2
y = 4/3x + 2/3
OR
y = 4/3x + 0.67
500
What does the x-axis represent? What does the y-axis represent? And what type of correlation does the scatter plot show?
X-axis: # of absences
Y-axis: Exam Scores
Negative Correlation
500
Using the linear regression model:
y = 11.99x + 35.11
Estimate the time until the next eruption at Old Faithful if the previous duration was 5 minutes.
95.06
500
What is the explicit equation for the following sequence:
* HINT: You must find the common difference AND 0th Term in order to write the equation.
AND
What would be the 64th term in the sequence?
-3, -9, -15, -21, ...
An = -6n + 3
a64 = -381