Evaluating Functions

Flashcard
•
Mathematics
•
8th - 9th Grade
•
Hard
+3
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 for each input from a given set, known as the domain.
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
What does it mean to evaluate a function at a specific point?
Back
Evaluating a function at a specific point means substituting the input value into the function's formula to find the corresponding output value.
Tags
CCSS.HSF.IF.A.2
3.
FLASHCARD QUESTION
Front
How do you evaluate a quadratic function?
Back
To evaluate a quadratic function, substitute the given x-value into the function's equation and perform the arithmetic operations according to the order of operations.
Tags
CCSS.HSF.IF.A.2
4.
FLASHCARD QUESTION
Front
What is the standard form of a quadratic function?
Back
The standard form of a quadratic function is f(x) = ax^2 + bx + c, where a, b, and c are constants.
5.
FLASHCARD QUESTION
Front
What is the significance of the coefficient 'a' in a quadratic function?
Back
The coefficient 'a' determines the direction of the parabola (upward if a > 0, downward if a < 0) and affects the width of the parabola.
Tags
CCSS.HSF-IF.C.7A
6.
FLASHCARD QUESTION
Front
What is the vertex of a quadratic function?
Back
The vertex is the highest or lowest point of the parabola, depending on the direction it opens, and can be found using the formula x = -b/(2a).
7.
FLASHCARD QUESTION
Front
What is the difference between linear and quadratic functions?
Back
Linear functions have a constant rate of change and graph as straight lines, while quadratic functions have a variable rate of change and graph as parabolas.
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