What is a function rule?
8.EE.6 Checkpoint 2.4

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Mathematics
•
6th - 8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A function rule is a mathematical expression that describes the relationship between input and output values. It tells you how to calculate the output based on a given input.
2.
FLASHCARD QUESTION
Front
If the function rule is x - 5, what is the output when the input is 14?
Back
9
3.
FLASHCARD QUESTION
Front
What is the equation of a line that has a slope of 2 and a y-intercept of 4?
Back
y = 2x + 4
4.
FLASHCARD QUESTION
Front
What does it mean for a set of values to be a function?
Back
A set of values is a function if each input (x-value) is paired with exactly one output (y-value).
5.
FLASHCARD QUESTION
Front
Which equation represents a line with a slope of 1 and a y-intercept of 5?
Back
y = x + 5
6.
FLASHCARD QUESTION
Front
What is the output of the function rule y = 2x + 4 when x = 3?
Back
10
7.
FLASHCARD QUESTION
Front
How do you determine if a relation is a function from a table of values?
Back
Check if any x-value is repeated with different y-values. If it is, then it is not a function.
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