Finding m & b
Finding slope from 2 points
Slope-Intercept Form: slope and y-intercept OR graph
X and Y Intercepts
Slope-Intercept Form: point and slope OR 2 points
Standard to Slope-Intercept
100
State the slope and y-intercept from the equation:
y = 2x - 8
m = 2
b: (0 , -8)
100
Find the slope
(6,5) & (5,4)
Slope = 1
100
Given slope and y-intercept, write the equation.
m = -7
y-intercept = 3
y = -7x + 3
100
State the y-intercept of the equation.
-3y - 2x = -6
y-int (0, 2)
100
Write an equation in slope-intercept form for the following line.
(5, -1); slope = 1/5
y = 1/5x - 2
100
Convert to slope-intercept form
2y + 8x = 1
y = -4x + 1/2
200
State the slope and y-intercept from the graph.
m = 1
b: (0 , 0)
200
Find the slope
(3,1) & (8,4)
slope = 3/5
200
Given slope and y-intercept, write the equation.
m = -8
b: (0 , -20)
y = -8x - 20
200
State the y-intecept of the equation.
-2x + y = 25
y-int. (0, 25)
200
Write an equation in slope-intercept form for the following line.
(5, 2); slope = 2
y = 2x - 8
200
Convert to slope-intercept form
3y - 2x = 9
y = 2/3x + 3
300
What is the slope of a horizontal line?
slope = 0
300
-2
300
Given slope and y-intercept, write the equation.
m = -25
b: (0 , 100)
y = -25x + 100
300
What is the y-intercepts of the equation?
-2y + 5x = -10
y-int. (0, 5)
300
Write an equation in slope-intercept form for the following line.
(4, 5), (-2, 8)
y = -1/2x + 7
300
Convert to slope-intercept form
3y = -3x +9
y = -x + 3
400
State the slope and y-intercept from the graph.
m = undefined
b: none
400
Find the slope
(1,1) & (6,10)
slope = 9/5
400
Given slope and y-intercept, write the equation.
m = -1/2
b: (0 , 0)
y = -1/2x
400
Given the equation
-3x + 4y = -24
y-int. (0,-6)
400
Write an equation in slope-intercept form for the following line.
(-1, 7) and (8, -2)
y = -1x + 6
400
Convert to slope-intercept form
2x + 3y = 5
y = -2/3x + 5/3
500
Identify the slope and y-intercept of the equation.
-2y = x + 10
slope = -1/2
y-intercept = -5
500
Find the slope
(-3, 6) & (-3,4)
Slope = Undefined
500
How would you graph this equation?
2y = -x - 4
Start from b= -2 and go down 1 and 2 to the right.
500
What are the y-intercepts of the following line?
12y =3x + 24
y-int. (0, 2)
500
Write an equation in slope-intercept form for the following line.
(3, 7) and (-3, 3)
y = 2/3x + 5
500
Convert to slope-intercept form
4x -2y = 2 (x- 3)
y = x +3
600
Identify the slope and y-intercept of the equation
2y = 1/2x - 4
slope = 1/4
y-intercept = -2
600
Find the slope
(-2,5) and (-4 ,-9)
slope = 7
600
Given the graph, write the equation.
y = -1
600
State the y-intercepts.
7x + 3y = -21
y-int. (0, -7)
600
Write an equation in slope-intercept form for the following line.
(-1, 1) and (-4, 4)
y = -1x
600
Convert to slope-intercept form
2 (y - 2.5) = 3 (x+ 5)
y = 3/2x + 10