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Slope
Slope-Intercept Form
Scatter Plots
Parallel Lines
Perpendicular Lines
100
Determine the slope of the line passing through the points (7,6) and (0,2)
What is 4/7?
100
Write an equation in slope-intercept form of the line with the slope m=-4 and y-intercept b = 5.
What is y=-4x+5
100
Tell the three types of relationships that can be shown in a scatter plot.
What is positive, negative, and no relationship?
100
Parallel Lines have what kind of slopes?
What is the same slope?
100
Perpendicular Lines have what kind of slope?
What is opposite reciprocal?
200
What is the formula to find the slope?
What is m= y2-y1 ------- x2-x1
200
Write an equation of the line in slope-intercept form of the line have the slope m=1 and passing through the point (2,5).
What is y = x + 3?
200
As x increases, y increases. This is what kind of relationship?
What is a positive relationship?
200
Determine whether the graphs of the equations are parallel: y=2x y=2x-7
What is yes, the lines are parallel?
200
Determine whether the graphs of the equations are perpendicular: y=1/5x + 2 y=5x + 1
What is no, the lines are not perpendicular?
300
A slope equal to 0 is what kind of line?
What is horizontal?
300
Write an equation in slope-intercept form of the line passing through the points (-4,4) and (2,1).
What is y = -1/2x + 2?
300
There is no obvious pattern in the graph. What kind of relationship does this kind of scatter plot have?
What is no relationship?
300
Determine whether the graphs of the equations are parallel: y = -3/4x - 2 2y= -3x +12
What is no, the lines are not parallel.
300
Determine whether the graphs of the equations are perpendicular: y=-4x + 3 4y = x -5
What is yes, the lines are perpendicular?
400
An undefined slope is what kind of line?
What is vertical?
400
A line crosses the y-axis at (0,5). What is the number 5 called?
What is the y-intercept?
400
As x increases, y decreases. What kind of relationship would this display?
What is a negative relationship?
400
Write an equation in slope-intercept form of the line that is parallel to the graph y=-4x+8 and passes through (1,3).
What is y=-4x+7
400
Write an equation in slope-intercept form of the line that is perpendicular to the graph y=1/3x - 2 and passes through (-4,2).
What is y = -3x - 10?
500
Find the slope of the line passing through the points (-3,-2) and (-5, -3).
What is -5/0 or undefined.
500
A line crosses the x-axis at (2,0). What is the number 2 called?
What is the x-intercept?
500
What type of relationship does the scenario have? The age of a car and its value.
What is a negative relationship?
500
Write an equation in slope-intercept form of the line that is parallel to the graph 3x+2y=9 and passes through (2,0).
What is y=-3/2x + 3
500
Write an equation in slope-intercept form of the line that is perpendicular to the graph 2x + 3y = 2 and passes through (3,0).
What is y = 3/2x - 9/2?