Unit 4 Test Review
Flashcard
•
Mathematics
•
9th Grade
•
Hard
+3
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15 questions
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1.
FLASHCARD QUESTION
Front
What does it mean for a system of equations to have infinite solutions?
Back
A system of equations has infinite solutions when the equations represent the same line, meaning every point on the line is a solution.
Tags
CCSS.8.EE.C.8B
2.
FLASHCARD QUESTION
Front
How can you determine if a system of inequalities has no solution?
Back
A system of inequalities has no solution if the graphs of the inequalities do not overlap, meaning there is no region that satisfies all inequalities.
Tags
CCSS.HSA.REI.D.12
3.
FLASHCARD QUESTION
Front
What inequality represents a budget constraint for purchasing items?
Back
An inequality representing a budget constraint shows that the total cost of items must be less than or equal to the budget.
4.
FLASHCARD QUESTION
Front
What is the significance of shading in a graph of linear inequalities?
Back
Shading in a graph of linear inequalities indicates the region where the solutions to the inequalities are located.
Tags
CCSS.HSA.REI.D.12
5.
FLASHCARD QUESTION
Front
How do you solve a system of equations?
Back
To solve a system of equations, you can use methods such as substitution, elimination, or graphing to find the point(s) where the equations intersect.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
6.
FLASHCARD QUESTION
Front
What does the term 'y-intercept' refer to in a linear equation?
Back
The y-intercept is the point where the line crosses the y-axis, represented by the value of y when x=0.
7.
FLASHCARD QUESTION
Front
What is the slope of a line, and how is it calculated?
Back
The slope of a line is a measure of its steepness, calculated as the change in y divided by the change in x (rise/run).
Tags
CCSS.8.EE.B.5
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