Review Precalculus Functions Unit Test

Flashcard
•
Mathematics
•
9th - 12th Grade
•
Hard
+4
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a function?
Back
A function is a relation that assigns exactly one output for each input. It can be represented as f(x), where x is the input.
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
What is the parent function of a quadratic equation?
Back
The parent function of a quadratic equation is y = x^2.
3.
FLASHCARD QUESTION
Front
How do you determine if a function is even?
Back
A function is even if f(-x) = f(x) for all x in the domain.
Tags
CCSS.HSF.BF.B.3
4.
FLASHCARD QUESTION
Front
How do you determine if a function is odd?
Back
A function is odd if f(-x) = -f(x) for all x in the domain.
Tags
CCSS.HSF.BF.B.3
5.
FLASHCARD QUESTION
Front
What is the average rate of change of a function?
Back
The average rate of change of a function f from x=a to x=b is given by (f(b) - f(a)) / (b - a).
Tags
CCSS.8.F.B.4
CCSS.HSF.IF.B.6
6.
FLASHCARD QUESTION
Front
What does the graph of y = (x - 1)^2 - 9 represent?
Back
This graph is a parabola that opens upwards, with its vertex at (1, -9).
Tags
CCSS.HSF-IF.C.7A
7.
FLASHCARD QUESTION
Front
What is the vertex of a parabola given by the equation y = a(x - h)^2 + k?
Back
The vertex of the parabola is the point (h, k).
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