What is the initial value of the equation y = 2x + 4?
8th Grade Math Functions Review

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•
Mathematics
•
8th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
4
2.
FLASHCARD QUESTION
Front
What is the definition of a function?
Back
Every input has only ONE output.
3.
FLASHCARD QUESTION
Front
Is the graph of y = 2x + 4 a function or not a function?
Back
Function
4.
FLASHCARD QUESTION
Front
Which set of values represents a function? (9,5) (10,5) (9,-5) (10,-5), (3,4) (4,-3) (7,4) (3, 8), (6,-5) (7, -3) (8, -1) (9, 1), (2, -2) (5, 9) (5, -7) (1, 4)
Back
(6,-5) (7, -3) (8, -1) (9, 1)
5.
FLASHCARD QUESTION
Front
What is the rate of change and initial value for the equation y = 3x + 8?
Back
Rate of Change = 3, Initial Value = 8
6.
FLASHCARD QUESTION
Front
What is the slope of the line represented by the equation y = mx + b?
Back
The slope is represented by 'm'.
7.
FLASHCARD QUESTION
Front
What does the y-intercept represent in a linear function?
Back
The y-intercept is the value of y when x = 0.
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