Slope
Linear Equations
Graphs
Exponential Functions
Simplify!
100
What is the slope of the line y = -4x - 8?
-4
100
What is the variable we use for slope?
m
100
What kind of function is this?
Positive Linear Function
100
y = a(b)x
What is b?
Growth/Decay rate
100
8x(x+4)
8x2+32x
200
How do you find the slope from a graph?
Rise/Run
200
Two lines that have the same slope are called:
Parallel
200
What type of function is this?
Positive Exponential Growth function
200
y = a(b)x
What part of the equation changes?
the variable x
200
x*x*x*x*x
x5
300
Find the slope through the points (-3, 20) and (0, 2)
-6
300
Solve the equation for x
2(x - 1) + 4 = -6x+8
x=3
300
What is the solution to the system of equations?
(3,-1)
300
If you have an exponential function that grows, the "b" would be larger than 1. When does a function decay?
When 0 < b < 1
("b" is between 0 and 1)
300
(2x4)3
8x12
400
What is the slope of the line graphed?
undefined
400
You're trying to buy a car for $2,500. You have $1,000 dollars saved and you make $100 per day at your job. How many days until you have enough money to buy the car?
15 days
400
What is the name of the shaded area on this graph?
Solution Set
400
What is the asymptote for this equation?
y = 3(1.25)x + 3
y = 3
400
(9*x*y*x*x*x)/(3*y)
3x4
500
What is the slope of the line with the equation
12x - 4y = 8
3
500
After 2 days, Frank earns $40. How much does he earn after 25 days?
$500
500
Draw a graph that is exponentially decaying with an asymptote at y = -3
500
An investment account starting with $1,000 increases at a rate of 6% per year. Fill in the blank:
y = 1000(___)x
1.06
500
(2x)/1*(3xy)/(6)
1x2y or x2y