Equations as Functions

Flashcard
•
Mathematics
•
8th - 12th Grade
•
Hard
+2
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 between a set of inputs and a set of possible outputs where each input is related to exactly one output.
Tags
CCSS.8.F.A.1
2.
FLASHCARD QUESTION
Front
What does it mean for an equation to represent a function?
Back
An equation represents a function if for every input value (x), there is exactly one output value (y).
Tags
CCSS.8.F.A.1
3.
FLASHCARD QUESTION
Front
How do you evaluate a function?
Back
To evaluate a function, substitute the given input value into the equation and simplify to find the output.
Tags
CCSS.HSF.IF.A.2
4.
FLASHCARD QUESTION
Front
What is the slope-intercept form of a linear equation?
Back
The slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
5.
FLASHCARD QUESTION
Front
What is the y-intercept of the equation y = 2x + 3?
Back
The y-intercept is 3, which is the value of y when x = 0.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
6.
FLASHCARD QUESTION
Front
How do you find the output of a quadratic function?
Back
Substitute the input value into the quadratic equation and simplify to find the output.
Tags
CCSS.HSF.IF.A.2
7.
FLASHCARD QUESTION
Front
What is the vertex of a parabola represented by the equation y = ax^2 + bx + c?
Back
The vertex can be found using the formula x = -b/(2a) and then substituting this x value back into the equation to find y.
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