Vocab Review
Linear Functions
Function or Not?!
Random Math Facts!
Evaluating Functions
100
The x-values of a function are called the...
Domain
100
What form must an equation be in for it to be linear?
y = mx + b
100
Is the following a function?
Yes
100
How to get -7 - (-5).
What is -2?
100
find f(3) if y = 4x
What is 12?
200
What are the y-values of a function called?
Range
200
A table of a linear function must...
Have a constant rate of change.
200
Is the following relation a function? {-2,2),(0,1),(-2,3),(3,-1),(0,3)}
No
200
The number of sides a heptagon has.
What is 7?
200
Find f(8) if f(x) = -16x
What is -128?
300
Where a function crosses the y-axis
Initial value or y-intercept
300
Linear functions form what kind of graph?
Straight line
300
True or False? A function can have repeated y-values
True
300
The result of 7+4*5-3.
What is 24?
300
Find f(3) if f(x) = 4x - 10
What is 2?
400
How do we find average rate of change?
Change in y over change in x
Slope Formula:
Y2 - Y1/ X2 - X1
400
Is the following function linear or non-linear? Why?
Non-linear - Not a straight line.
400
Is the following a function?
Yes
400
What is another word for rate of change?
Slope
400
Find f(-4) if f(x) = -2x - 8
What is 0?
500
What is a function?
For every input, there is EXACTLY one output (aka x does not repeat)
500
Is the following linear or non-linear? Why?
Linear - constant rate of change
500
Is the following table a function?
No
500
Who is your favorite math teacher at Vertus?
Ms. Fouchie
500
find f(-12) if f(x) = -12x + 12
What is 156?