What is a function in mathematics?
Evaluating Functions

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Mathematics
•
9th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A function is a relation between a set of inputs and a set of possible outputs where each input is related to exactly one output.
2.
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 variable into the function's equation and simplify.
3.
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.
4.
FLASHCARD QUESTION
Front
What does the vertex of a parabola represent in a quadratic function?
Back
The vertex of a parabola represents the maximum or minimum point of the quadratic function, depending on the direction of the parabola.
5.
FLASHCARD QUESTION
Front
How do you find the y-intercept of a function?
Back
To find the y-intercept of a function, set the input variable (x) to zero and solve for the output variable (y).
6.
FLASHCARD QUESTION
Front
What is the significance of the slope in a linear function?
Back
The slope of a linear function indicates the rate of change of the function; it represents how much the output changes for a unit change in the input.
7.
FLASHCARD QUESTION
Front
How can you determine the number of solutions to a quadratic equation?
Back
The number of solutions to a quadratic equation can be determined using the discriminant (b^2 - 4ac). If the discriminant is positive, there are two solutions; if zero, one solution; if negative, no real solutions.
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