Finding Slope of a Line
Writing Linear Equations
Function or Not
RANDOM ?'s
Writing Equations
100
Identify the slope of the following equation.
y = mx + b
the variable m
100
Write an equation of the line that has a slope of 9 and y-intercept of 5.
y = 9x + 5
100
When given the picture of a graph, what is the test you can use to determine if it is a function or not?
Vertical Line Test
100
Which picture is a function?
https://docs.google.com/document/d/1EC2-zEOPWeUDjlmeHE-5hLCjjc0RxsISbh0Q5h_Q55Q/edit?usp=sharing
Bottom Right hand graph
100
What form of equations do we use for lines?
y = mx + b or slope intercept form.
200
Identify the slope of the following equation.
y = 2x + 3
slope is 2
200
Write an equation for the line who has a slope of 6 and goes through the point (0,6).
y = 6x + 6
200
Does the following create a function or not?
(0,2) , (6, 17), (5, 20), and (4, 5)
Function
200
Solve:
3x - 2 = -14
x = -4
200
Write an equation for a vertical line through the point (-3, 3)
x = -3
300
Find the slope of the following points:
(-8, 3) and (2, 6)
3/10
300
Write an equation of a line which goes through points (1, 3) and (-3, 5)
y = -1/2x + 2.5
300
Does the following create a function or not?
(-1,2) , (7, 17), (7, 20), and (-7, 5)
Not a function
300
What is the slope of this equation?
y = 5
0
300
Write an equation for a line with the following slope and points.
m = 2/3 and (0, -2), (3, 0)
y = 2/3x - 2
400
Find the slope of the line that includes the following points.
(4, -5) (-4, 5)
-10/8 which simplifies to -5/4
400
Write an equation for the line that has a slope of 1/2 and goes through the point (-1, 3).
y = 1/2x +3.5
400
Function or not?
https://docs.google.com/document/d/1pznsHNWEBY5cFxDC1g9MwvwHXBuB_YnZZQjtHviguVA/edit?usp=sharing
Function
400
Is this a function or not?
No
400
Write an equation for a line with the following two points. Find the slope and y intercept. (15, -10) (5, 10)
slope = -2 y intercept = 20
y = -2x + 20
500
Find the slope of the line that includes the following points.
(-12, -9) (-3, -3)
-6/-9 = 6/9 = 2/3
500
Does this create a linear relationship?
(15, 9)(16, 12) (17, 15)
Yes!
500
Mapping Diagram:Function or Not?
No
500
What is the range of this function?
(20, 13)
(1, -13)
(-12, 2)
(-13, 2, 13)
500
The amount y(in dollars) of money you have left after playing x games at a carnival is y = -0.75x + 10. How much money do you have after playing eight games?
y = -0.75(8) + 10 y = -6 + 10 y = 4 $4 dollars left after playing 8 games.