Rate of Change & y-intercept
y=mx+b Form
y-intercept
100
State the rate of change (m) and y-intercept:
y = 2x - 8
rate of change(m) : 2
y-intercept: - 8
100
Given rate of change(m) and y-intercept, write the equation.
rate of change(m): -7
y-intercept: 3
y = -7x + 3
100
State the y-intercept of the equation.
y = 2x + 3
3
200
State the rate of change (m) and y-intercept from the graph.
rate of change(m): 1
y-intercept: 0
Equation:
y = 1x + 0
or
y =1x
200
Given rate of change(m) and y-intercept, write the equation.
rate of change(m): -8
y-intercept: -20
y = -8x - 20
200
State the y-intercept of the equation.
y = 2x + 25
25
300
Identify the rate of change(m) and y-intercept of the equation.
y = 2x
rate of change(m): 2
y-intercept: 0
300
Given rate of change(m) and y-intercept, write the equation.
rate of change(m): -25
y-intercept: 100
y = -25x + 100
300
If you were going to graph the following line, what is the very first point you would plot?
y = 3x - 4
y-intercept (0 , - 4)
400
Identify the rate of change(m) and y-intercept of the equation.
y = x - 5
rate of change(m): 1
y-intercept: - 5
400
Given rate of change(m) and y-intercept, write the equation.
rate of change(m): -1/2
y-intercept: 0
y = -1/2x
400
What is the y-intercept of the equation?
y = 2x
0
500
Identify the rate of change(m) and y-intercept of the equation.
y = -3x
rate of change(m): -3
y-intercept: 0
500
Given the graph, write the equation.
y = 3x + 2
500
What is the y-intercept of the equation?
y = 3x - 24
- 24