Finding m & b
Slope-Intercept Form: slope and y-intercept
Writing an Equation given x and y intercepts
Writing Equations from: 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= -8
100
Given slope and y-intercept, write the equation.
m = -7
y-intercept = 3
y = -7x + 3
100
Write an equation in slope-intercept form given:
x-intercept = 3
y-intercept = -4
y = 4/3 x - 4
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
200
Given slope and y-intercept, write the equation.
m = -8
b = -20
y = -8x - 20
200
x-intercept of -2, y-intercept of 3
y = 3/2 x + 3
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
Given slope and y-intercept, write the equation.
m = -25
b = 100
y = -25x + 100
300
x-intercept of 2, y-intercept of 6
y = -2x + 6
300
Write an equation in slope-intercept form given two points.
(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 - does not cross the y-axis
400
Given slope and y-intercept, write the equation.
m = -1/2
b = 0
y = -1/2x
400
x-intercept of 6, y-intercept of -1
y= 1/6 x - 1
400
Write an equation in slope-intercept given two points.
(-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.
y = -2x + 10
slope = -2
y-intercept = 10
500
Given slope and y-intercept, write the equation.
m = 5
b = 2
y = 5x + 2
500
Write an equation in slope-intercept form given two points.
(3, 7) and (-3, 3)
y = 2/3x + 5
500
Convert to slope-intercept form
4x -2y = 2 (x- 3)
y = x +3