Unit 3: Linear Functions Test Review

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Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a linear function?
Back
A linear function is a function that graphs to a straight line. It can be expressed in the form y = mx + b, where m is the slope and b is the y-intercept.
2.
FLASHCARD QUESTION
Front
What does a positive relationship in a scatterplot indicate?
Back
A positive relationship in a scatterplot indicates that as one variable increases, the other variable also increases.
3.
FLASHCARD QUESTION
Front
How do you find the common difference in an arithmetic sequence?
Back
The common difference is found by subtracting any term from the subsequent term in the sequence.
4.
FLASHCARD QUESTION
Front
What is the formula to find the nth term of an arithmetic sequence?
Back
The nth term (a_n) can be found using the formula: a_n = a_1 + (n-1)d, where a_1 is the first term and d is the common difference.
5.
FLASHCARD QUESTION
Front
What is the common difference in the sequence: -34, -29, -24, -19?
Back
The common difference is d = 5.
6.
FLASHCARD QUESTION
Front
How do you determine the next terms in an arithmetic sequence?
Back
To find the next terms, add the common difference to the last known term.
7.
FLASHCARD QUESTION
Front
What is the 35th term in the arithmetic sequence: -10, -14, -18, -22?
Back
The 35th term is -146.
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