Riddle me this
Am I a function?
What's my function?
Fill in the blank
Graph What?
100
What month of the year has 28 days?
All of them
100
In a function, how many outputs can one input have?
Each input has one and only one output.
100
Evaluate y = 2x +1 when x = -3
y = -5
100
A table of values for a linear function is given. Fill in the missing value.
x -1 0 1
y 3 8 ?
y = 13
100
Based on the graph of function, What is y when x = 2?
y = 3
200
I’m a number you get when you add 1 to me, then multiply the result by 2, and you end up with 10. What number am I?
4
200
Yes
200
Evaluate y= 2x + x + 1 when x = -5
y = -14
200
A table of values for a linear function is given. Fill in the missing value.
x -1 0 1
y 3 -2 ?
y = -7
200
Based on the graph of function, what is y when x =-5?
y = 0
300
What has a head and a tail but no body?
A Coin
300
Is this a function and why?
No because x=8 has two outputs (3 and -3)
300
Evaluate y = x2 - 2 when x = -2
y = 2
300
A table of values for a linear function is given. Fill in the missing value.
x 2 3 5
y 2 1 ?
y = -1
300
Based on the graph of the function, what is y when x = 4?
y = -2
400
If there are three apples and you take away two, how many apples do you have?
You have two apples
400
Does the following table represent a function?
x y
1 2
2 5
6 2
2 9
5 1
No, because the input (x) of 2 has two different outputs (y)
400
Evaluate y = 4x2 - 1 when x= -2
y = 15
400
A table of values for a linear function is given. Fill in the missing value.
x -21 0 21
y -4 -7 ?
y = -10
400
Based on the function, what is y when x = -3?
y = -3
500
I am a number. Multiply me by 4, then subtract 6, and you’ll get 18. What number am I?
6
500
No, vertical lines are not functions.
500
If y = 8 what is x if y = 2x + 4
x = 2
500
A table of values for a linear function is given. Fill in the missing value.
x 3 7 10
y -23 -55 ?
y = -79
500
What is the slope of the following equation? 4x+2y=10
-2