CPM Algebra Connections Chapter 6 Review

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Mathematics
•
9th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the elimination method in solving systems of equations?
Back
The elimination method involves adding or subtracting equations to eliminate one variable, making it easier to solve for the other variable.
2.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has 'No Solution'?
Back
A system has 'No Solution' if the equations represent parallel lines that never intersect.
3.
FLASHCARD QUESTION
Front
What is the substitution method in solving systems of equations?
Back
The substitution method involves solving one equation for one variable and then substituting that expression into the other equation.
4.
FLASHCARD QUESTION
Front
How do you identify the best method to solve a system of equations?
Back
Consider the form of the equations: use substitution if one variable is isolated, elimination if both are in standard form, and graphing for visual representation.
5.
FLASHCARD QUESTION
Front
What is the first step in using the elimination method?
Back
The first step is to align the equations and manipulate them (if necessary) so that adding or subtracting them will eliminate one variable.
6.
FLASHCARD QUESTION
Front
How do you set up an equation for substitution?
Back
To set up for substitution, isolate one variable in one equation, then substitute that expression into the other equation.
7.
FLASHCARD QUESTION
Front
What does it mean for a system of equations to have 'All Real Numbers' as a solution?
Back
This means that the equations represent the same line, and thus every point on that line is a solution.
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