Redo: Systems of equations and inequalities

Flashcard
•
Mathematics
•
9th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a system of equations?
Back
A set of two or more equations with the same variables that are solved together.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
2.
FLASHCARD QUESTION
Front
How do you solve a system of equations using substitution?
Back
1. Solve one equation for one variable. 2. Substitute that expression into the other equation. 3. Solve for the remaining variable.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
3.
FLASHCARD QUESTION
Front
What is the graphical representation of a system of equations?
Back
The point(s) where the graphs of the equations intersect represent the solution(s) to the system.
Tags
CCSS.8.EE.C.8B
4.
FLASHCARD QUESTION
Front
What does it mean for an ordered pair to be a solution of a system of inequalities?
Back
It means that the ordered pair satisfies all inequalities in the system.
5.
FLASHCARD QUESTION
Front
How do you determine if a point is a solution to a system of inequalities?
Back
Substitute the point into each inequality. If it satisfies all inequalities, it is a solution.
6.
FLASHCARD QUESTION
Front
What is the difference between a system of equations and a system of inequalities?
Back
A system of equations has exact solutions, while a system of inequalities has a range of solutions that satisfy the inequalities.
Tags
CCSS.8.EE.C.8B
7.
FLASHCARD QUESTION
Front
What is the method of elimination in solving systems of equations?
Back
Adding or subtracting equations to eliminate one variable, making it easier to solve for the other.
Tags
CCSS.8.EE.C.8B
CCSS.HSA.REI.C.6
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