9th Algebra
Authored by Cristian Lopez
Mathematics
9th Grade
Used 1+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the range of the part of the linear function shown?
greater than or equal to -4
greater than or equal to 2
&
less than -4
greater than -4
&
less than or equal to 2
greater than -2
Answer explanation
The range of the part of the linear function shown is from -4 to 2.
Explanation:
- The highest y-value is 2 (at the point (-3, 2)).
- The lowest y-value is -4 (at the point (3, -4)).
Therefore, the range is from -4 to 2.
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which graph best represents a function with a domain of all real numbers less than or equal to 6?
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The graph of part of linear function g is shown on the grid. Which inequality best represents the domain of the part shown?
-9 < x ≤ 2
-9 ≤ x < 2
-6 < g(x) ≤ 3
-6 ≤ g(x) < 3
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Elijah borrowed $480 from a friend. He agreed to make monthly payments of $96 with no interest until the loan balance was paid off. The function shown models this situation, where f(x) represents the remaining loan balance in dollars after Elijah has made x monthly payments.
Which statements are true about the domain and range of the function for this situation? Select TWO correct answers.
The range of the function is the set of all real numbers.
The domain of the function is {0, 1, 2, 3, 4, 5}.
The domain of the function is {0, 96, 192, 288, 384, 480}.
The domain of the function is the set of all real numbers.
The range of the function is {0, 96, 192, 288, 384, 480}.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The domain and range of part of linear function r are given. x > 5 y < 2 Which graph could represent this part of linear function r?
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Grace is planning to hire a plumber for a repair project. The daily cost of hiring the plumber, y, to work x hours can be modeled using a linear function. The plumber charges a fixed cost of $80 plus an additional cost of $45 per hour. The plumber works a maximum of 8 hours per day.
For one day of work, what is the range of the function for this situation?
0 ≤ x ≤ 8
80 ≤ y ≤ 440
0 ≤ x ≤ 10
45 ≤ y ≤ 685
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Avery is making bouquets of flowers for a wedding. Each bouquet will have 9 flowers. The graph shows the linear relationship between y, the number of flowers used, and x, the number of bouquets.
Avery will use no more than 8 bouquets for the wedding. Which set best represents the domain of the function for this situation?
0, 2, 4, 6, 8, 10
0, 1, 2, 3, 4, 5, 6, 7, 8
0, 18, 36, 54, 72, 90
0, 9, 18, 27, 36, 45, 54, 63, 72
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