Vocab Review
Linear Function?
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
-7 - (-5) = ?
-2
100
find f(3) if y = 4x
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
How many sides does a decagon have?
10
200
Find f(8) if f(x) = -16x
-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
Simplify:
7+4(5)-3
24
300
Find f(3) if f(x) = 4x - 10
2
400
How do we find average rate of change?
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. y-value for x = 4 is the same.
400
What is another word for rate of change?
Slope
400
Find f(-4) if f(x) = -2x - 8
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
156