Graphing linear inequalities

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a linear inequality?
Back
A linear inequality is a mathematical statement that relates a linear expression to a value using inequality symbols such as <, >, ≤, or ≥.
2.
FLASHCARD QUESTION
Front
How do you graph a linear inequality in two variables?
Back
To graph a linear inequality, first graph the corresponding linear equation as a boundary line. Then, use a dashed line for < or > and a solid line for ≤ or ≥. Finally, shade the appropriate region based on the inequality.
Tags
CCSS.HSA.REI.D.12
3.
FLASHCARD QUESTION
Front
What does the shaded region in a graph of a linear inequality represent?
Back
The shaded region represents all the solutions to the inequality, indicating the set of points that satisfy the inequality.
Tags
CCSS.HSA.REI.D.12
4.
FLASHCARD QUESTION
Front
What is the difference between a solid line and a dashed line in graphing inequalities?
Back
A solid line indicates that the points on the line are included in the solution (for ≤ or ≥), while a dashed line indicates that the points on the line are not included (for < or >).
Tags
CCSS.HSA.REI.D.12
5.
FLASHCARD QUESTION
Front
How can you determine which side of the line to shade when graphing a linear inequality?
Back
You can determine which side to shade by selecting a test point not on the line (commonly (0,0) if it is not on the line) and substituting it into the inequality. If the inequality holds true, shade that side; if not, shade the opposite side.
Tags
CCSS.HSA.REI.D.12
6.
FLASHCARD QUESTION
Front
What is the standard form of a linear inequality?
Back
The standard form of a linear inequality is typically written as Ax + By < C, Ax + By > C, Ax + By ≤ C, or Ax + By ≥ C, where A, B, and C are constants.
7.
FLASHCARD QUESTION
Front
What does the inequality y < 2x + 3 represent graphically?
Back
The inequality y < 2x + 3 represents the region below the line y = 2x + 3, excluding the line itself.
Tags
CCSS.HSA.REI.D.12
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