Finding m & b
Finding slope from 2 points
Slope-Intercept Form: slope and y-intercept OR graph
Proportional or Non-proportional?
Graph!!!
100
State the slope and y-intercept from the equation:
y = 2x - 8
m = 2
b: -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
All proportional equations are in this form.
y=kx
100
Graph the linear equation:
y = -4x+2
Teacher will check
200
State the slope and y-intercept from the graph.
m = 1
b: 0
200
Find the slope
(3,1) & (8,4)
slope = 3/5
200
Given slope and y-intercept, write the equation.
m = -8
b: -20
y = -8x - 20
200
All linear, nonproportional equations are in this form.
y=mx+b
200
Graph the linear equation:
y = 2x+3
Teacher will check
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: 100
y = -25x + 100
300
A graph has a slope of 3 and a y intercept of 0. Is this graph proportional or nonproportional?
Proportional
300
Graph the linear equation:
y = x+3
Teacher will check
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,-7)
y = -1/2x -7
400
Is this table proportional or non proportional?
Proportional
400
Graph the linear equation:
y = 1/2x
Teacher will check
500
Identify the slope and y-intercept of the equation.
y = x + 3
slope = 1
y-intercept = 3
500
Find the slope
(-3, 6) & (-3,4)
Slope = Undefined
500
Given the graph, What is the slope and y-intercept?
m=3
b=2
500
Is this table proportional or nonproportional?
Non proportional
500
Graph the linear equation:
y = -5/2x-3
Teacher will check