Vocabulary
All possible x values
Domain
Identify the y-intercept:
3x2+2x+5
5
Go to slideshow, slide 1
(3,2)
Slide show slide 2
*Identify the domain
All real numbers
Slide show slide 3
*Name an ordered pair that is a solution to both inequalities
All possible y values
Range
Identify the vertex:
f(x)=(x-4)2+7
(4,7)
What happens when you have 2 parallel lines?
No solution
Slide show slide 2
*Identify the range
y > 2
Find the 15th term in the sequence.
4, 6, 8, 10
32
What is another way to define/describe rate of change?
Slope, rise / run, change in y over change in x
What are the roots?
f(x) = (x+4)(x-6)
x= -4 and x= 6
y= 2x+5
y= 2x -3
No solution
A Demogorgon has escaped from the upside down. Within an hour, it bites someone. Then those 2 Demogorgon bite others, and so on.
What is the initial value?
1
Identify the function family
3x - 6y =2
Linear
This is the minimum OR maximum in a quadratic function
Vertex
x2+2x-8
(x-2)(x+4)
3x-y=7
2x+y=8
(3,2)
A Demogorgon has escaped from the upside down. Within an hour, it bites someone. Then those 2 Demogorgon bite others, and so on.
What is the growth factor?
2
Find the 9th term in the sequence.
81, 27, 9...
0.012345679
The line an exponential graph approaches but never touches
Horizontal asymptote
Factor: 2x2+10x+8
2(x+4)(x+1)
Bre's school is selling tickets to a concert. On day 1, the school sold 3 adult tickets and 9 child tickets for a total of $75. The school took in $67 on the second day by selling 8 adult tickets and 5 child tickets.
What is the price of an adult and child ticket?
Adult $4
Child $7
A car initially purchased for $35,000 depreciates 13% every year. Write an equation for how much the car is worth after x number of years.
f(x)= 35,000 (0.87)x
Describe ALL parts of the transformation:
f(x) = 0.5 (x + 4)2 +7
Compression, left 4, up 7