2.1 -2.2 Linear Equations and Inequalities Quiz
Authored by Candace Carter
Mathematics
University
CCSS covered
Used 7+ times
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17 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
No Solution (∅)
One Solution, -4
One Solution, 4
Infinite Solutions (ℝ)
Tags
CCSS.8.EE.C.7A
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
One Solution, 6
No Solution (∅)
One Solution, 0
Infinite Solutions (ℝ)
Tags
CCSS.8.EE.C.7B
3.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
No Solution (∅)
Infinite Solutions (ℝ)
Tags
CCSS.8.EE.C.7B
5.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
6.
MULTIPLE CHOICE QUESTION
3 mins • 2 pts
In a class where the final course grade depends entirely on the average of four equally weighted 100-point tests, Erica has scored, 94, 89, and 78 on the first three. What range of scores on the fourth test will give Erica a C for the semester (an average between 70 and 79, inclusive)? Assume that all test scores have a non-negative value.
Express your answer in interval notation.
[19, 55]
[20, 56]
[21, 57]
[22, 58]
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
(2, 9)
[-2, 3)
[9.2)
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