Finding m & b
Slope-Int Form
Rearranging Equations
Solving Systems Graphically
100
State the slope and y-intercept from the equation:
y = 2x - 8
m = 2
b: (0 , -8)
100
Given slope and y-intercept, write the equation.
m = -7
y-intercept = 3
y = -7x + 3
100
y=-2x+4
100
What is the solution? Solve graphically.
(-1,1)
200
State the slope and y-intercept from the graph.
m = 1
b: (0 , 0)
y = 1x + 0
or
y = x
200
Given slope and y-intercept, write the equation.
m = -8
b: (0 , -20)
y = -8x - 20
200
y=7x-4
200
How many solutions are there?
No Solution
300
What is the slope and y-intercept of
y=-x
m=-1
b=0
300
Given slope and y-intercept, write the equation.
m = -25
b: (0 , 100)
y = -25x + 100
300
15x+5y=-25
y=-3x-5
300
Solve Using Graphing:
y = 5/3x + 2
y = -3
400
State the slope and y-intercept from the graph.
m = 2
b=3
400
Given slope and y-intercept, write the equation.
m = -1/2
b: (0 , 0)
y = -1/2x
400
y=2x-3
400
How many solutions are there?
Infinitely many solutions
500
Identify the slope and y-intercept of the equation.
y=x
slope = 1
y-intercept = 0
500
Given the graph, write the equation.
y = 3x + 2
500
y=(-3x)/4+1
500
Solve the systems of linear equations by graphing:
600
Identify the slope and y-intercept of the equation
y=-3/2x-5/2
m=-3/2
b=-5/2
600
Given the graph, write the equation.
y=2x+3
600
y=(-1x)/5+1
600
Is (-4,4) a solution to the system of equations?
no