Evaluate Functions

Flashcard
•
Mathematics
•
9th Grade
•
Hard
+2
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.
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
What does the notation f(x) represent?
Back
f(x) represents the output of the function f for the input x.
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
3.
FLASHCARD QUESTION
Front
How do you evaluate a function at a specific point?
Back
To evaluate a function at a specific point, substitute the value of the input into the function's expression.
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 vertex of a quadratic function?
Back
The vertex of a quadratic function is the point where the graph changes direction, and it can be found using the formula x = -b/(2a).
6.
FLASHCARD QUESTION
Front
How do you find the value of a quadratic function at a given x?
Back
Substitute the value of x into the quadratic function's equation and simplify.
Tags
CCSS.HSF.IF.A.2
7.
FLASHCARD QUESTION
Front
What is the significance of the discriminant in a quadratic equation?
Back
The discriminant (b^2 - 4ac) determines the nature of the roots of the quadratic equation: if positive, there are two real roots; if zero, one real root; if negative, no real roots.
Tags
CCSS.HSA-REI.B.4B
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