SLOPE INTERCEPT
POINT SLOPE FORM
STANDARD FORM
Parallel/Perpendicular
SCATTER PLOTS
100
What is the slope? y = -3/2x + 13
-3/2
100
What is the slope?
y-3 = 5(x-3)
5
100
What is standard form?
Ax + By = C
100
Parallel lines have slopes that are ____________
THE SAME
100
What type of correlation has a positive slope?
positive
200
What is the y-intercept? y = 7x
0
200
What is a point?
y -4 = 8(x - 10)
(10,4)
200
Rewrite the equation in standard form
y - 1 = -3(x - 1)
200
Perpendicular lines have slopes that are ____________
Negative reciprocals
200
The line that goes through the middle of the points (equal number of each side) is called
line of best fit
or
trendline
300
What is the equation for the line that has a slope of -3/4 and a y-intercept of -12?
y = -3/4x -12
300
What is a point?
y + 4 = 1/2(x - 2)
(2, -4)
300
Find the missing coefficient for the equation that goes through the point (-1, 0)
Ax + 3y = 2
A = -2
300
These two lines are _____________
y = 3x + 20
y = 3x - 20
perpendicular
300
Roughly how long does it take to go 1500 units?
~22
400
Write the equation of the line that goes through (0,5) and (4, 17)
y = 3x + 5
400
Write an equation that passes through the point (-1, 4) and has a slope of -2.
y - 4 = -2(x + 1)
400
Find the missing coefficient for the line that passes through (-1, 1)
-4x + By = 7
B = 3
400
Write a line that is perpendicular to:
y = -3x + 10
y = 1/3x + #
400
What type of correlation does the data show?
Positive
500
Write the equation of the line that goes through the points (-2, -5) and (1, 10).
y = 5x + 5
500
Write an equation that passes through the points (2,3) and (4,4)
y - 3 = 1/2(x - 2)
y - 4 = 1/2(x - 4)
500
Find the missing coefficient in the equation for the line that passes through (2, 11) AND write the completed equation.
Ax + y = -3
A = -7
-7x + y = -3
500
These two lines are
y = 5x - 3
-10y - 2x = 0
perpendicular
500
On average how many emails does an 18-year-old get per day?
~27