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Slope and Direct Variation
Writing equations
Graphing equations and inequalities
Parallel and Perpendicular
Scatter plots
100
The slope of the line going through the points (1, 5) and (3, 9)
What is 2
100
The equation of the line with a slope of -5 and a y intercept of 2
What is y = -5x + 2
100
The graph of the equation y = 3x
What is a line with a slope of 3 and a y intercept of 0.
100
Lines with same slope?
parallel
100
This is two sets of data graphed on a coordinate plane.
Scatter Plots?
200
The slope of the line going through the points (7, 3) and (1, -1)
What is 2/3
200
The equation of a line going through the points (5, -2) and (7, -8).
What is y = -3x + 13
200
The graph of the equation 2y - 6x = 8.
What is the graph of the equation with a slope of -3 and a y intercept of -4.
200
Perpendicular lines have these slopes.
Negative reciprocal.
200
The line that best fits a set of data points
What is line of best fit?
300
Find the constant variation of the line: y=4x
What is 4.
300
The equation going through the points (4, 2) and (8, 2).
What is y = 2
300
The graph of the line 4y -4 < 8x
What is the equation of a line with a slope 1/2 and a y intercept of 1.
300
What is the equation of a line parallel to y= 4x -2 and goes through (1,6)?
What is y=4x +2
300
When the points on a scatter plot can be approximated by a line that goes up to the right.
What is positive correlation?
400
Write the direct variation equation for when y=8 and x = -2
What is y=-4x
400
The equation of the line going through the point (1, 3) with a slope of 3.
What is y = 3x
400
The graph of the equation 9 - x > 3y.
What is the graph of the inequality with a y intercept of 3 and a slope of -1/3.
400
What is the equation of a line perpendicular to y= -3/5 x +4 and goes through (0,-1)?
What is y = 5/3 x -1
400
When the points on a scatter plot can be approximated by a line that goes down to the right.
What is negative correlation?
500
Write the direct variation equation for when y=5 and x = 15 and find the y value for when x = 60?
What is y=1/3 x and y= 20
500
The equation of the line going through the point (-3, 0) and has a y intercept of -2/3.
What is y = -2x/3 + 2
500
The graph of the inequality 2x - 3y > 6.
What is the inequality with a slope of 2/3 and y intercept of -2.
500
What is the equation of a line perpendicular to to 4x-3y=2 and goes through (4,0)?.
What is y = -3/4 +3?
500
When the points on a scatter plot cannot be approximated by a line.
What is no correlation?