
THURSDAY_Grade9_Activity
Authored by Arjay Endaya
Fun
9th Grade
Used 1+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does a hollow circle on a number line indicate when writing interval notation?
The number is included in the solution.
The number is not included in the solution.
The number is an integer.
The number is a boundary point.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When writing interval notation, which type of bracket is always used with infinity symbols (∞ or -∞)?
Square brackets [ ]
Curly braces { }
Parentheses ( )
Angle brackets < >
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In interval notation, what does a solid (shaded) circle on a number line signify about the corresponding number?
It is an excluded value.
It is a positive integer.
It is part of the solution set.
It represents infinity.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in solving a quadratic inequality?
Locate the numbers on a number line.
Choose a test point in each region.
Express the inequality as a quadratic equation and solve for x.
Substitute test points into the original inequality.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
After solving for x in a quadratic inequality, what is the next step?
Substitute the values of x into the original inequality.
Graph the solution on a coordinate plane.
Locate the numbers on a number line and divide it into regions.
Factor the quadratic expression.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are the critical points for the inequality x^2 - 6x + 5 < 0?
x = 1 and x = 6
x = -1 and x = -5
x = 1 and x = 5
x = -1 and x = 5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When graphing the solution set of an inequality on a number line, what does a hollow circle at a critical point indicate?
The critical point is part of the solution.
The critical point is not part of the solution.
The inequality involves "greater than or equal to".
The inequality involves "less than or equal to".
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