4-1
Graphing Equations in Slope-Intercept Form
Graphing Equations in Slope-Intercept Form
4-2
Writing Equations in Slope-Intercept Form
Writing Equations in Slope-Intercept Form
4-3
Writing Equations in Point-Slope Form
Writing Equations in Point-Slope Form
4-4
Parallel and Perpendicular Lines
Parallel and Perpendicular Lines
4-5
Scatter Plots and Lines of Fit
Scatter Plots and Lines of Fit
100
Write an equation of a line in slope-intercept form with a slope of 3 and a y-intercept of -4.
What is y=3x - 4
100
Write an equation of the line that passes through the point and has the given slope. (7, 1), slope 8
What is y=8x-55
100
Write an equation of the line in point-slope form and slope intercept form . (-2, 11), m=4/3
What is y - 11= 4/3(x + 2)
and y=4/3x+41/3
100
What is special about the slope of two parallel lines?
What is same slope
100
What is a line of best fit?
What is a line that is close to all the data points that can model the trend
200
Graph. y = 8x - 7
graph on graph paper or back of a whiteboard
What is y-int=-7, slope up 8 right 1
200
Write an equation of the line that passes through the point and has the given slope. (2, 6), slope 2
What is y = 2x+2
200
Write in slope intercept form. y - 10 = 2(x - 8)
What is y = 2x+6
200
What is special about the slope of two perpendicular lines?
What is opposite reciprocal
200
Use the points (2, 21.75) and (4, 21) to write the slope-intercept form of an equation for the line of fit.
What is y = -0.375x + 22.5
300
Graph. 5x + 2y = 8
What is y = -5/2 + 4. y-int= 4. slope = down 5, right 2
300
Write an equation of the line that passes through the pair of points. (-2, 5), (5, -2)
What is y= -x +3
300
Write in slope intercept form. 2y + 3 = -1/3(x - 2)
What is y = -1/6x -7/6
300
Write an equation in slope-intercept form for the line that passes through the given point and is parallel to the graph of the given equation. (-2, 3), y = -3/4 + 4
What is y = -3/4 + 3/2
300
Find the line of best fit (equation).
Years- 1650, 1850, 1930, 1975, 2004
Populations (in millions)- 500, 1000, 2000, 4000, 6400.
y=13.6667 x - 22958.6
400
Write an equation in slope-intercept form for the graph.
What is y = 1/2x - 3
400
Write an equation of the line that passes through the pair of points. (-2, -4), (2, 4)
What is y=2x
400
Write in slope-intercept form. y + 5 = -6(x +7)
What is y = -6x -47
400
Write an equation in slope-intercept form for the line that passes through the given point and is perpendicular to the graph of the given equation. (-4, 5), y = 1/3x + 6
What is y = -3x - 7
400
Write the slope-intercept form of the equation for the line of fit using the points (1850, 1000) and (2004, 6400). (From the info in 300)
What is y = 35.1x - 63,870
500
Tuition at Chicago State University is $157 per credit hour. Fees cost $218 in the year. Write an equation in slope-intercept form for the tuition T for c credit hours.
What is T = 157c + 218
500
The equation of the line with slope of 0 and goes through the point (3, 5)
What is y=5
500
Write in slope-intercept form. y + 3 = -1/3(2x + 6)
What is y = -2/3x - 5
500
Line AB contains the points (4, 1) and (3, 6). Line CD contains the points (2, -1) and (1, 4). Are these two lines parallel?
What is yes
500
Use the equation for the line of fit in 400 to predict the world's population in 2025.
In case you don't know the equation; y = 35.1x - 63,870
What is 7207.5 million