Unit 7 Review - Systems

Flashcard
•
Mathematics
•
9th Grade
•
Hard
+5
Standards-aligned
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16 questions
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1.
FLASHCARD QUESTION
Front
What is a system of equations?
Back
A system of equations is a set of two or more equations with the same variables. The solution is the point(s) where the equations intersect.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FLASHCARD QUESTION
Front
How do you represent a linear equation in slope-intercept form?
Back
Tags
CCSS.8.F.A.3
CCSS.8.EE.B.6
3.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has no solution?
Back
A system of equations has no solution if the lines represented by the equations are parallel and never intersect.
Tags
CCSS.8.EE.C.8A
4.
FLASHCARD QUESTION
Front
What does it mean if a system of equations has infinite solutions?
Back
A system of equations has infinite solutions if the equations represent the same line, meaning they intersect at every point on that line.
Tags
CCSS.8.EE.C.8A
5.
FLASHCARD QUESTION
Front
How can you determine the number of solutions in a system of equations?
Back
You can determine the number of solutions by analyzing the slopes and y-intercepts of the lines represented by the equations.
Tags
CCSS.8.EE.C.8B
6.
FLASHCARD QUESTION
Front
What is the first step in solving a system of equations by substitution?
Back
The first step is to solve one of the equations for one variable in terms of the other variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
7.
FLASHCARD QUESTION
Front
What is the first step in solving a system of equations by elimination?
Back
The first step is to align the equations and manipulate them to eliminate one variable by adding or subtracting the equations.
Tags
CCSS.HSA.REI.C.6
CCSS.8.EE.C.8B
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