Algebra Unit 4: Introduction to Functions Test Review

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the definition of a function in mathematics?
Back
A function is a relation that assigns exactly one output (value) for each input (value).
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
How do you determine the domain of a function from a set of ordered pairs?
Back
The domain of a function is the set of all first elements (inputs) from the ordered pairs.
3.
FLASHCARD QUESTION
Front
How do you determine the range of a function from a set of ordered pairs?
Back
The range of a function is the set of all second elements (outputs) from the ordered pairs.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
4.
FLASHCARD QUESTION
Front
What is the domain of the function {(0,1), (1,-3), (2,-4), (-4,1)}?
Back
D: {-4, 0, 1, 2}.
5.
FLASHCARD QUESTION
Front
What is the range of the function {(0,1), (1,-3), (2,-4), (-4,1)}?
Back
R: {-4, -3, 1}.
6.
FLASHCARD QUESTION
Front
How do you solve for a variable in a proportion, such as \( \frac{3}{5} = \frac{x-4}{5} \)?
Back
Cross-multiply to find x: 3 * 5 = 5 * (x - 4), then solve for x.
Tags
CCSS.7.EE.B.4A
7.
FLASHCARD QUESTION
Front
What is the solution for x in the equation \( \frac{3}{5} = \frac{x-4}{5} \)?
Back
x = 7.
Tags
CCSS.7.EE.B.4A
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