General Linear Equations
Yes
2(2) - (-3) = 7
4 + 3 = 7
Find the slope between the two points
(3, -6) (5, -4)
m = 1
g(x) = f(x - 3)
Translated right 3 units
What is another name for the line of best fit?
Trend line
What day is your final on?
December 19
Determine the x and y intercepts for the equation
3x - 4y = 48
x = 16
y = -12
Find the slope between the two points (4, 7) (2, -5)
m = 6
Tell whether the two equations are going to be parallel or perpendicular
y = 6/5x + 9
5y = 6x + 10
Parallel
What is the line of best fit used for?
To make predictions based off data
What day of the week is New Year’s Eve on this year?
Tuesday
Find the slope and y-intercept of the equation
7x + 2y = -14
m = -7/2
b = -7
Write the equation for a line that passes through (2, 5) and has a slope of 1/2 in POINT SLOPE FORM.
Y - 5 = 1/2(x - 2)
Tell whether the two equations are going to be parallel or perpendicular
8x + 2y = 2
2x - 8y = 4
Perpendicular
What is it called when we find the actual equation for the line of best fit?
Linear regression
Name a color
Literally any color works
Rewrite the equation in standard form
y = -5x - 8
5x + y = -8
Write the equation for the line that passes through the origin and has a slope of -2 in SLOPE INTERCEPT FORM.
y = -2x + 0 OR y = -2x
Describe the transformation of the graph of f to obtain the graph of g
g(x) = 1/3f(x) + 1
Compressed vertically and translated up 1 unit
What does the “r” stand for when you use the TI-83 calculator to find linear regression?
Correlation coefficient
What month is Mrs. Sprecker's birthday in?
July
Rewrite the equation in slope intercept form
y + 2 = -4(x - 3)
y = -4x + 10
Write the equation that has a slope of 3 and a y-intercept of 2.5 in STANDARD FORM.
-3x + y = 2.5
Describe the transformation of the graph of f to obtain the graph of g
g(x) = f(2x) + 3
Compressed horizontally and translated up 3 units
What is the range of possible values for the correlation coefficient?
What room number is Mrs. Sprecker's classroom?
155