Equations
10x = 5x + 10
What is an equation where x=2?
A graph made up of distinct, unconnected points.
What is a discrete graph?
The value of f(x) = 2/3x + 9 when x = 9.
What is f(x) = 15?
A sequence that has a common difference between each term.
What is a arithmetic sequence?
2x - 5 = 3x
What is an equation where x = -5?
A list of numbers in a specific order.
What is a sequence?
The type of graph represented (on white board).
What is a continuous graph?
What the equal difference of consecutive terms is called.
What is common difference?
x/4 + 2 = -2x
What is an equation where x = -1?
A set of ordered pairs (x,y) where x is the input value and y is the output value.
What is a relation?
The range of the relation shown in the table (on the white board).
What is {3, 6, 9, 12}?
The first four terms of the sequence f(x) = 2x + 3 when x = 5.
What are 13, 18, 23, and 28?
(See graph on white board) Price to buy three stickers.
What is six dollars?
A type of relation in which there is only one output value for each input value.
What is a function?
The charge for a 4-minute phone call using the function f(m) = 2 + 0.5m, where m represents the number of minutes of the phone call.
What is six dollars?
The first four terms of the explicit rule f(n) = 7(n-1) -10.
What are -10, -3, 4, and 11?
(see graph on white board) The most number of tests were completed between these two sections.
What is happening between sections 4 and 5?
A sequence that defines the nth term by relating it to one or more previous terms.
What is a recursive rule?
Why the relation in the table (on the white board) is a function, or not.
What is not a function, because there are more than one outputs for the input 2?
The explicit rule of f(1) = 2, f(n) = f(n-1) + 5.
What is f(n) = 2 + 5(n-1)?